EduSahara™ Assignment
Name : Quadrilateral Angle Properties
Chapter : Understanding Quadrilaterals
Grade : CBSE Grade VIII
License : Non Commercial Use
Question 1
1.
    • The measures of three angles of a quadrilateral are
    • 61.26°
    • ,
    • 143.58°
    • and
    • 61.26°
    • . Find the fourth angle
  • (i)
    103.9°
  • (ii)
    123.9°
  • (iii)
    108.9°
  • (iv)
    98.9°
  • (v)
    93.9°
Question 2
2.
Sum of the interior angles in a quadrilateral is
  • (i)
    360°
  • (ii)
    370°
  • (iii)
    375°
  • (iv)
    365°
  • (v)
    390°
Question 3
3.
Find the missing angle in the given quadrilateral
  • (i)
    62.06°
  • (ii)
    57.06°
  • (iii)
    72.06°
  • (iv)
    87.06°
  • (v)
    67.06°
Question 4
4.
Find the missing angle in the given trapezium
  • (i)
    117.46°
  • (ii)
    102.46°
  • (iii)
    107.46°
  • (iv)
    132.46°
  • (v)
    112.46°
Question 5
5.
Find the missing angle in the given parallelogram
  • (i)
    56.09°
  • (ii)
    81.09°
  • (iii)
    51.09°
  • (iv)
    61.09°
  • (v)
    66.09°
Question 6
6.
Find the missing angle in the given rhombus
  • (i)
    82.43°
  • (ii)
    107.43°
  • (iii)
    77.43°
  • (iv)
    87.43°
  • (v)
    92.43°
Question 7
7.
In parallelogram ABCD, if ∠B = 145.78°, then find the value of ∠C
  • (i)
    32.22°
  • (ii)
    35.22°
  • (iii)
    36.22°
  • (iv)
    33.22°
  • (v)
    34.22°
Question 8
8.
If the opposite angles of a parallelogram are supplementary, the measure of each of its angles is
  • (i)
    88°
  • (ii)
    92°
  • (iii)
    89°
  • (iv)
    90°
  • (v)
    91°
Question 9
9.
If ABCD is an isosceles trapezium, ∠D =
  • (i)
    90°
  • (ii)
    ∠C
  • (iii)
    ∠B
  • (iv)
    ∠A
Question 10
10.
OPQR is a rhombus in which ∠O = 120° .
 


PR
 
 
is the diagonal. Then △OPQ is
  • (i)
    an equilateral triangle
  • (ii)
    an isosceles triangle
  • (iii)
    a scalene triangle
  • (iv)
    None of these
  • (v)
    an obtuse angled triangle
Question 11
11.
EFGH is a rhombus in which ∠E = 99° .
 


FH
 
 
is the diagonal. Then △EFG is
  • (i)
    None of these
  • (ii)
    an obtuse angled triangle
  • (iii)
    a scalene triangle
  • (iv)
    an equilateral triangle
  • (v)
    an isosceles triangle
Question 12
12.
The angles of a quadrilateral CDEF are in the ratio 4 : 3 : 5 : 8. Find the measure of each angle of the quadrilateral.
  • (i)
    C
    =
    71°
    ,
    D
    =
    52°
    ,
    E
    =
    91°
    ,
    F
    =
    146°
  • (ii)
    C
    =
    70°
    ,
    D
    =
    56°
    ,
    E
    =
    89°
    ,
    F
    =
    145°
  • (iii)
    C
    =
    73°
    ,
    D
    =
    53°
    ,
    E
    =
    92°
    ,
    F
    =
    142°
  • (iv)
    C
    =
    72°
    ,
    D
    =
    54°
    ,
    E
    =
    90°
    ,
    F
    =
    144°
  • (v)
    C
    =
    74°
    ,
    D
    =
    53°
    ,
    E
    =
    88°
    ,
    F
    =
    145°
Question 13
13.
Two adjacent angles of a parallelogram HIJK are in the ratio 2 : 18. Find the measure of each of its angles.
  • (i)
    H
    =
    17°
    ,
    I
    =
    160°
    ,
    J
    =
    19°
    ,
    K
    =
    164°
  • (ii)
    H
    =
    20°
    ,
    I
    =
    161°
    ,
    J
    =
    16°
    ,
    K
    =
    163°
  • (iii)
    H
    =
    19°
    ,
    I
    =
    161°
    ,
    J
    =
    20°
    ,
    K
    =
    160°
  • (iv)
    H
    =
    16°
    ,
    I
    =
    164°
    ,
    J
    =
    17°
    ,
    K
    =
    163°
  • (v)
    H
    =
    18°
    ,
    I
    =
    162°
    ,
    J
    =
    18°
    ,
    K
    =
    162°
Question 14
14.
    • In the adjoining figure,
    • JKLM
    • is a parallelogram in which
    • ∠MJL = 21.63°
    • ,
    • ∠LJK = 17.1°
    • ,
    • ∠MNL = 107.89°
    • . Calculate
    • ∠JKM
  • (i)
    55.01°
  • (ii)
    56.01°
  • (iii)
    54.01°
  • (iv)
    53.01°
  • (v)
    57.01°
Question 15
15.
    • In the adjoining figure,
    • FGHI
    • is a parallelogram in which
    • ∠IFH = 23.64°
    • ,
    • ∠HFG = 20.86°
    • ,
    • ∠IJH = 99.65°
    • . Calculate
    • ∠HIG
  • (i)
    60.49°
  • (ii)
    57.49°
  • (iii)
    59.49°
  • (iv)
    61.49°
  • (v)
    58.49°
Question 16
16.
    • In the adjoining figure,
    • JKLM
    • is a parallelogram in which
    • ∠MJL = 27.59°
    • ,
    • ∠LJK = 17.04°
    • ,
    • ∠MNL = 122.25°
    • . Calculate
    • ∠KLJ
  • (i)
    25.59°
  • (ii)
    26.59°
  • (iii)
    27.59°
  • (iv)
    29.59°
  • (v)
    28.59°
Question 17
17.
    • In the adjoining figure,
    • FGHI
    • is a parallelogram in which
    • ∠IFH = 45.83°
    • ,
    • ∠HFG = 32.67°
    • ,
    • ∠IJH = 106.39°
    • . Calculate
    • ∠IGH
  • (i)
    58.56°
  • (ii)
    62.56°
  • (iii)
    59.56°
  • (iv)
    60.56°
  • (v)
    61.56°
Question 18
18.
    • In the adjoining figure,
    • OPQR
    • is a rectangle.
    • If
    • ∠QOP = 53.13°
    • , find
    • ∠PQO
  • (i)
    37.87°
  • (ii)
    38.87°
  • (iii)
    34.87°
  • (iv)
    35.87°
  • (v)
    36.87°
Question 19
19.
Three angles of quadrilateral measure 102.03°, 64.78° and 120.57° respectively. Find the measure of the fourth angle
  • (i)
    72.62°
  • (ii)
    74.62°
  • (iii)
    71.62°
  • (iv)
    73.62°
  • (v)
    70.62°
Question 20
20.
Three angles of a quadrilateral are equal and the fourth angle measure 101.53°. What is the measure of each of the equal angles?
  • (i)
    86.16°
  • (ii)
    88.16°
  • (iii)
    87.16°
  • (iv)
    84.16°
  • (v)
    85.16°
Question 21
21.
Two angles of a quadrilateral are of measure 70.53° and 137.73° respectively and the other two angles are equal. Find the measure of each of the equal angles.
  • (i)
    74.87°
  • (ii)
    76.87°
  • (iii)
    77.87°
  • (iv)
    75.87°
  • (v)
    73.87°
Question 22
22.
A quadrilateral has three acute angles, each measuring 49°. What is the measure of its fourth angle?
  • (i)
    213.00°
  • (ii)
    212.00°
  • (iii)
    214.00°
  • (iv)
    211.00°
  • (v)
    215.00°
Question 23
23.
    • One angle of a parallelogram measures
    • B
    • =
    • 46.95°
    • .
    • Find the measure of each of its remaining angles.
  • (i)
    C
    =
    135.05°
    ,
    D
    =
    48.95°
    ,
    E
    =
    135.05°
  • (ii)
    C
    =
    132.05°
    ,
    D
    =
    45.95°
    ,
    E
    =
    132.05°
  • (iii)
    C
    =
    131.05°
    ,
    D
    =
    44.95°
    ,
    E
    =
    131.05°
  • (iv)
    C
    =
    133.05°
    ,
    D
    =
    46.95°
    ,
    E
    =
    133.05°
  • (v)
    C
    =
    134.05°
    ,
    D
    =
    47.95°
    ,
    E
    =
    134.05°
Question 24
24.
    • Two adjacent angles of a parallelogram are in the ratio
    • 6 : 6
    • .
    • Find the measure of each of its angles.
  • (i)
    A
    =
    88°
    ,
    B
    =
    92°
    ,
    C
    =
    89°
    ,
    D
    =
    91°
  • (ii)
    A
    =
    90°
    ,
    B
    =
    90°
    ,
    C
    =
    90°
    ,
    D
    =
    90°
  • (iii)
    A
    =
    89°
    ,
    B
    =
    88°
    ,
    C
    =
    91°
    ,
    D
    =
    92°
  • (iv)
    A
    =
    91°
    ,
    B
    =
    89°
    ,
    C
    =
    92°
    ,
    D
    =
    88°
  • (v)
    A
    =
    92°
    ,
    B
    =
    89°
    ,
    C
    =
    88°
    ,
    D
    =
    91°
Question 25
25.
    • In the figure given below,
    • MNOP
    • is a rectangle.
    • Find the values of x and y
  • (i)
    x
    =
    31.69°
    ,
    y
    =
    65.38°
  • (ii)
    x
    =
    34.69°
    ,
    y
    =
    68.38°
  • (iii)
    x
    =
    33.69°
    ,
    y
    =
    67.38°
  • (iv)
    x
    =
    35.69°
    ,
    y
    =
    69.38°
  • (v)
    x
    =
    32.69°
    ,
    y
    =
    66.38°
Question 26
26.
    • In the figure given below,
    • EFGH
    • is a rectangle.
    • Find the values of x and y
  • (i)
    x
    =
    40.18°
    ,
    y
    =
    47.82°
  • (ii)
    x
    =
    42.18°
    ,
    y
    =
    49.82°
  • (iii)
    x
    =
    39.18°
    ,
    y
    =
    46.82°
  • (iv)
    x
    =
    43.18°
    ,
    y
    =
    50.82°
  • (v)
    x
    =
    41.18°
    ,
    y
    =
    48.82°
Question 27
27.
    • In the figure given below,
    • ABCD
    • is a rhombus.
    • Find the values of x and y
  • (i)
    x
    =
    40.23°
    ,
    y
    =
    40.23°
  • (ii)
    x
    =
    39.23°
    ,
    y
    =
    39.23°
  • (iii)
    x
    =
    41.23°
    ,
    y
    =
    41.23°
  • (iv)
    x
    =
    37.23°
    ,
    y
    =
    37.23°
  • (v)
    x
    =
    38.23°
    ,
    y
    =
    38.23°
Question 28
28.
    • In the figure given below,
    • BCDE
    • is a rhombus.
    • Find the values of x and y
  • (i)
    x
    =
    59.97°
    ,
    y
    =
    59.97°
  • (ii)
    x
    =
    56.97°
    ,
    y
    =
    56.97°
  • (iii)
    x
    =
    55.97°
    ,
    y
    =
    55.97°
  • (iv)
    x
    =
    58.97°
    ,
    y
    =
    58.97°
  • (v)
    x
    =
    57.97°
    ,
    y
    =
    57.97°
Question 29
29.
    • In the figure given below,
    • CDEF
    • is a rhombus.
    • Find the values of x and y
  • (i)
    x
    =
    25.84°
    ,
    y
    =
    68.16°
  • (ii)
    x
    =
    21.84°
    ,
    y
    =
    64.16°
  • (iii)
    x
    =
    22.84°
    ,
    y
    =
    65.16°
  • (iv)
    x
    =
    23.84°
    ,
    y
    =
    66.16°
  • (v)
    x
    =
    24.84°
    ,
    y
    =
    67.16°
Question 30
30.
One of the diagonals of a rhombus is equal to one of its sides. Find the angles of the rhombus
  • (i)
    D
    =
    61°
    ,
    E
    =
    119°
    ,
    F
    =
    62°
    ,
    G
    =
    118°
  • (ii)
    D
    =
    62°
    ,
    E
    =
    119°
    ,
    F
    =
    58°
    ,
    G
    =
    121°
  • (iii)
    D
    =
    58°
    ,
    E
    =
    122°
    ,
    F
    =
    59°
    ,
    G
    =
    121°
  • (iv)
    D
    =
    60°
    ,
    E
    =
    120°
    ,
    F
    =
    60°
    ,
    G
    =
    120°
  • (v)
    D
    =
    59°
    ,
    E
    =
    118°
    ,
    F
    =
    61°
    ,
    G
    =
    122°
Question 31
31.
    • In the adjoining figure,
    • IJKL
    • is a trapezium in which
    •  


      IJ
       
       
       


      KL
       
       
    • .
    • If
    •  
    • x = 57.89°
    • and
    •  
    • y = 70.56°
    • ,
    • find the measures of
    • ∠K
    • and
    • ∠L
    • .
  • (i)
    K
    =
    109.44°
    ,
    L
    =
    122.11°
  • (ii)
    K
    =
    111.44°
    ,
    L
    =
    124.11°
  • (iii)
    K
    =
    110.44°
    ,
    L
    =
    123.11°
  • (iv)
    K
    =
    107.44°
    ,
    L
    =
    120.11°
  • (v)
    K
    =
    108.44°
    ,
    L
    =
    121.11°
Question 32
32.
    • In the adjoining figure,
    • ABCD
    • is a kite in which
    • AB
    • =
    • DA
    • ,
    • BC
    • =
    • CD
    • and the diagonals
    •  


      BD
       
       
    • and
    •  


      AC
       
       
    • intersect at
    •  
    • O
    • .
    • If ∠OCD = 35.93° and ∠ABO = 56.66°, find the measure of each of the angles marked a,b,c,d and e.
  • (i)
    a = 54.07° , b = 34.34° , c = 55.66° , d = 54.07° , e = 35.93°
  • (ii)
    a = 54.07° , b = 34.34° , c = 55.66° , d = 56.07° , e = 35.93°
  • (iii)
    a = 54.07° , b = 34.34° , c = 55.66° , d = 56.07° , e = 33.93°
  • (iv)
    a = 54.07° , b = 33.34° , c = 56.66° , d = 54.07° , e = 35.93°
  • (v)
    a = 54.07° , b = 34.34° , c = 56.66° , d = 54.07° , e = 35.93°
Question 33
33.
In the adjoining figure, side HI of parallelogram HIJK has been produced to L. If ∠KHL = 123.82° , find the measure of each angle of the parallelogram.
  • (i)
    H
    =
    58.18°
    ,
    I
    =
    122.82°
    ,
    J
    =
    54.18°
    ,
    K
    =
    124.82°
  • (ii)
    H
    =
    54.18°
    ,
    I
    =
    125.82°
    ,
    J
    =
    55.18°
    ,
    K
    =
    124.82°
  • (iii)
    H
    =
    55.18°
    ,
    I
    =
    121.82°
    ,
    J
    =
    57.18°
    ,
    K
    =
    125.82°
  • (iv)
    H
    =
    56.18°
    ,
    I
    =
    123.82°
    ,
    J
    =
    56.18°
    ,
    K
    =
    123.82°
  • (v)
    H
    =
    57.18°
    ,
    I
    =
    122.82°
    ,
    J
    =
    58.18°
    ,
    K
    =
    121.82°
Question 34
34.
    • In the adjoining figure,
    • NOPQ
    • is a parallelogram and
    • RS
    • is such that
    •  


      RS
       
       
       


      NP
       
       
    • If
    • ∠NQR = 32.55°
    • and
    • ∠PQS = 22.08°
    • ,
    • find the measure of
    • ∠NOP
    • .
  • (i)
    125.37°
  • (ii)
    126.37°
  • (iii)
    127.37°
  • (iv)
    123.37°
  • (v)
    124.37°
Question 35
35.
In the adjoining figure, HIJK is a square. A line segment KM cuts the side IJ at M and the diagonal HJ at L such that ∠KLJ = 95.71° and ∠LMJ = x°. Find the value of x .
  • (i)
    50.71°
  • (ii)
    52.71°
  • (iii)
    49.71°
  • (iv)
    48.71°
  • (v)
    51.71°
Question 36
36.
In the adjoining figure, GHIJ is a rhombus and △KJI is an equilateral triangle. K and H are on opposite sides of  IJ. If ∠JGH = 69.63°, find the values of  x  and  y .
  • (i)
    x
    =
    30°
    ,
    y
    =
    25.19°
  • (ii)
    x
    =
    31°
    ,
    y
    =
    26.19°
  • (iii)
    x
    =
    29°
    ,
    y
    =
    24.19°
  • (iv)
    x
    =
    28°
    ,
    y
    =
    23.19°
  • (v)
    x
    =
    32°
    ,
    y
    =
    27.19°
Question 37
37.
In the adjoining figure, equilateral  △ONP surmounts square  LMNO. If  NPM = x°, find the value of x.
  • (i)
    17°
  • (ii)
    14°
  • (iii)
    16°
  • (iv)
    13°
  • (v)
    15°
Question 38
38.
    • In the adjoining figure,
    • ABCD
    • is a rhombus whose diagonals intersect at
    • O
    • .
    • If
    • ∠OAB
    • :
    • ∠ABO
    • =
    • 1 : 2
    • ,
    • find the angles of
    • △OAB
    • .
  • (i)
    O
    =
    90°
    ,
    A
    =
    28°
    ,
    B
    =
    62°
  • (ii)
    O
    =
    92°
    ,
    A
    =
    30°
    ,
    B
    =
    58°
  • (iii)
    O
    =
    88°
    ,
    A
    =
    30°
    ,
    B
    =
    62°
  • (iv)
    O
    =
    88°
    ,
    A
    =
    32°
    ,
    B
    =
    60°
  • (v)
    O
    =
    90°
    ,
    A
    =
    30°
    ,
    B
    =
    60°
Question 39
39.
    • In the given figure,
    • GHIJ
    • is a rectangle whose diagonals intersect at
    • K
    • .
    • Diagonal
    • GI
    • is produced to
    • T
    • and
    • ∠HGT =
    • 122.01°
    • . Find the angles of
    • △KHI
    • .
  • (i)
    K
    =
    115.98°
    ,
    H
    =
    32.01°
    ,
    I
    =
    32.01°
  • (ii)
    K
    =
    113.98°
    ,
    H
    =
    34.01°
    ,
    I
    =
    32.01°
  • (iii)
    K
    =
    115.98°
    ,
    H
    =
    30.01°
    ,
    I
    =
    34.01°
  • (iv)
    K
    =
    117.98°
    ,
    H
    =
    32.01°
    ,
    I
    =
    30.01°
  • (v)
    K
    =
    113.98°
    ,
    H
    =
    32.01°
    ,
    I
    =
    34.01°
Question 40
40.
    • In the given figure,
    • EFGH
    • is a kite whose diagonals intersect at
    • I
    • .
    • If
    • ∠FGH = 45.24°
    • and
    • ∠GHE = 131.92°
    • , calculate
    • ∠IEF
    • and
    • ∠GIF
    • .
  • (i)
    x
    =
    26.46°
    ,
    y
    =
    91°
  • (ii)
    x
    =
    27.46°
    ,
    y
    =
    92°
  • (iii)
    x
    =
    25.46°
    ,
    y
    =
    90°
  • (iv)
    x
    =
    24.46°
    ,
    y
    =
    89°
  • (v)
    x
    =
    23.46°
    ,
    y
    =
    88°
Question 41
41.
    • △KJG
    • is an equilateral triangle in a square
    • GHIJ
    • .
    • If
    • GI
    • and
    • KJ
    • intersect at
    • L
    • ,
    • then find the value of x.
  • (i)
    73°
  • (ii)
    76°
  • (iii)
    75°
  • (iv)
    77°
  • (v)
    74°
Question 42
42.
    • In the adjoining figure,
    • L
    • is a point in the interior of
    • ∠NJO
    • .
    • If
    •  
    • LK
    • JN
    • and
    • LM
    • JO
    • and
    • ∠NJO = 44°
    • ,
    • find the measure of x .
  • (i)
    222°
  • (ii)
    224°
  • (iii)
    223°
  • (iv)
    226°
  • (v)
    225°
    Assignment Key

  •  1) (v)
  •  2) (i)
  •  3) (ii)
  •  4) (ii)
  •  5) (iii)
  •  6) (iii)
  •  7) (v)
  •  8) (iv)
  •  9) (ii)
  •  10) (i)
  •  11) (v)
  •  12) (iv)
  •  13) (v)
  •  14) (i)
  •  15) (iii)
  •  16) (iii)
  •  17) (iv)
  •  18) (v)
  •  19) (i)
  •  20) (i)
  •  21) (iv)
  •  22) (i)
  •  23) (iv)
  •  24) (ii)
  •  25) (iii)
  •  26) (v)
  •  27) (ii)
  •  28) (v)
  •  29) (iv)
  •  30) (iv)
  •  31) (i)
  •  32) (iv)
  •  33) (iv)
  •  34) (i)
  •  35) (i)
  •  36) (i)
  •  37) (v)
  •  38) (v)
  •  39) (i)
  •  40) (iii)
  •  41) (iii)
  •  42) (ii)