EduSahara™ Assignment
Name : Quadrilateral Angle Problems
Chapter : Quadrilaterals
Grade : SSC Grade VII
License : Non Commercial Use
Question
1
1.
The measures of three angles of a quadrilateral are
72.62°
,
83.36°
and
70.53°
. Find the fourth angle
(i)
138.49°
(ii)
148.49°
(iii)
163.49°
(iv)
143.49°
(v)
133.49°
Question
2
2.
Find the missing angle in the given quadrilateral
(i)
82.61°
(ii)
72.61°
(iii)
67.61°
(iv)
97.61°
(v)
77.61°
Question
3
3.
Find the missing angle in the given trapezium
(i)
104.46°
(ii)
109.46°
(iii)
114.46°
(iv)
129.46°
(v)
99.46°
Question
4
4.
Find the missing angle in the given rhombus
(i)
93.47°
(ii)
108.47°
(iii)
83.47°
(iv)
78.47°
(v)
88.47°
Question
5
5.
In parallelogram ABCD, if ∠D = 113.99°, then find the value of ∠C
(i)
66.01°
(ii)
67.01°
(iii)
65.01°
(iv)
64.01°
(v)
68.01°
Question
6
6.
If the opposite angles of a parallelogram are supplementary, the measure of each of its angles is
(i)
88°
(ii)
91°
(iii)
89°
(iv)
90°
(v)
92°
Question
7
7.
The sum of the interior angles of a quadrilateral is
(i)
270°
(ii)
360°
(iii)
180°
(iv)
90°
Question
8
8.
If ABCD is an isosceles trapezium, ∠C =
(i)
∠D
(ii)
90°
(iii)
∠A
(iv)
∠B
Question
9
9.
FGHI is a rhombus in which ∠F = 120° .
GI
is the diagonal. Then △FGH is
(i)
a scalene triangle
(ii)
an equilateral triangle
(iii)
an obtuse angled triangle
(iv)
an isosceles triangle
(v)
None of these
Question
10
10.
NOPQ is a rhombus in which ∠N = 90° .
OQ
is the diagonal. Then △NOP is
(i)
an obtuse angled triangle
(ii)
an equilateral triangle
(iii)
an isosceles triangle
(iv)
a scalene triangle
(v)
None of these
Question
11
11.
The angles of a quadrilateral PQRS are in the ratio 1 : 2 : 3 : 6. Find the measure of each angle of the quadrilateral.
(i)
P
=
31°
,
Q
=
59°
,
R
=
92°
,
S
=
178°
(ii)
P
=
29°
,
Q
=
58°
,
R
=
91°
,
S
=
182°
(iii)
P
=
30°
,
Q
=
60°
,
R
=
90°
,
S
=
180°
(iv)
P
=
32°
,
Q
=
59°
,
R
=
88°
,
S
=
181°
(v)
P
=
28°
,
Q
=
62°
,
R
=
89°
,
S
=
181°
Question
12
12.
Two adjacent angles of a parallelogram KLMN are in the ratio 13 : 77. Find the measure of each of its angles.
(i)
K
=
28°
,
L
=
153°
,
M
=
24°
,
N
=
155°
(ii)
K
=
26°
,
L
=
154°
,
M
=
26°
,
N
=
154°
(iii)
K
=
24°
,
L
=
156°
,
M
=
25°
,
N
=
155°
(iv)
K
=
27°
,
L
=
153°
,
M
=
28°
,
N
=
152°
(v)
K
=
25°
,
L
=
152°
,
M
=
27°
,
N
=
156°
Question
13
13.
In the adjoining figure,
EFGH
is a parallelogram in which
∠HEG = 51.61°
,
∠GEF = 41.26°
,
∠HIG = 100.35°
. Calculate
∠EFH
(i)
37.39°
(ii)
38.39°
(iii)
40.39°
(iv)
36.39°
(v)
39.39°
Question
14
14.
In the adjoining figure,
KLMN
is a parallelogram in which
∠NKM = 26.58°
,
∠MKL = 22.09°
,
∠NOM = 101.31°
. Calculate
∠MNL
(i)
56.60°
(ii)
57.60°
(iii)
58.60°
(iv)
54.60°
(v)
55.60°
Question
15
15.
Three angles of quadrilateral measure 65.09°, 118° and 106.07° respectively. Find the measure of the fourth angle
(i)
69.84°
(ii)
71.84°
(iii)
68.84°
(iv)
70.84°
(v)
72.84°
Question
16
16.
Three angles of a quadrilateral are equal and the fourth angle measure 76.33°. What is the measure of each of the equal angles?
(i)
92.56°
(ii)
96.56°
(iii)
95.56°
(iv)
93.56°
(v)
94.56°
Question
17
17.
Two angles of a quadrilateral are of measure 90° and 89.71° respectively and the other two angles are equal. Find the measure of each of the equal angles.
(i)
89.15°
(ii)
88.15°
(iii)
91.15°
(iv)
90.15°
(v)
92.15°
Question
18
18.
A quadrilateral has three acute angles, each measuring 40°. What is the measure of its fourth angle?
(i)
239.00°
(ii)
240.00°
(iii)
238.00°
(iv)
241.00°
(v)
242.00°
Question
19
19.
One angle of a parallelogram measures
P
=
51.32°
.
Find the measure of each of its remaining angles.
(i)
Q
=
129.68°
,
R
=
52.32°
,
S
=
129.68°
(ii)
Q
=
130.68°
,
R
=
53.32°
,
S
=
130.68°
(iii)
Q
=
127.68°
,
R
=
50.32°
,
S
=
127.68°
(iv)
Q
=
126.68°
,
R
=
49.32°
,
S
=
126.68°
(v)
Q
=
128.68°
,
R
=
51.32°
,
S
=
128.68°
Question
20
20.
Two adjacent angles of a parallelogram are in the ratio
3 : 15
.
Find the measure of each of its angles.
(i)
A
=
28°
,
B
=
152°
,
C
=
29°
,
D
=
151°
(ii)
A
=
29°
,
B
=
148°
,
C
=
31°
,
D
=
152°
(iii)
A
=
30°
,
B
=
150°
,
C
=
30°
,
D
=
150°
(iv)
A
=
31°
,
B
=
149°
,
C
=
32°
,
D
=
148°
(v)
A
=
32°
,
B
=
149°
,
C
=
28°
,
D
=
151°
Question
21
21.
In the figure given below,
JKLM
is a rhombus.
Find the values of x and y
(i)
x
=
32.51°
,
y
=
32.51°
(ii)
x
=
31.51°
,
y
=
31.51°
(iii)
x
=
33.51°
,
y
=
33.51°
(iv)
x
=
30.51°
,
y
=
30.51°
(v)
x
=
34.51°
,
y
=
34.51°
Question
22
22.
One of the diagonals of a rhombus is equal to one of its sides. Find the angles of the rhombus
(i)
A
=
60°
,
B
=
120°
,
C
=
60°
,
D
=
120°
(ii)
A
=
61°
,
B
=
119°
,
C
=
62°
,
D
=
118°
(iii)
A
=
59°
,
B
=
118°
,
C
=
61°
,
D
=
122°
(iv)
A
=
62°
,
B
=
119°
,
C
=
58°
,
D
=
121°
(v)
A
=
58°
,
B
=
122°
,
C
=
59°
,
D
=
121°
Question
23
23.
In the adjoining figure,
FGHI
is a trapezium in which
FG
∥
HI
.
If
x = 47.49°
and
y = 77.09°
,
find the measures of
∠H
and
∠I
.
(i)
H
=
101.91°
,
I
=
131.51°
(ii)
H
=
103.91°
,
I
=
133.51°
(iii)
H
=
100.91°
,
I
=
130.51°
(iv)
H
=
102.91°
,
I
=
132.51°
(v)
H
=
104.91°
,
I
=
134.51°
Question
24
24.
In the adjoining figure,
ABCD
is a rhombus whose diagonals intersect at
O
.
If
∠OAB
:
∠ABO
=
2 : 3
,
find the angles of
△OAB
.
(i)
O
=
88°
,
A
=
36°
,
B
=
56°
(ii)
O
=
90°
,
A
=
36°
,
B
=
54°
(iii)
O
=
90°
,
A
=
34°
,
B
=
56°
(iv)
O
=
92°
,
A
=
36°
,
B
=
52°
(v)
O
=
88°
,
A
=
38°
,
B
=
54°
Question
25
25.
Find the missing angle in the given parallelogram
(i)
155.1°
(ii)
140.1°
(iii)
125.1°
(iv)
135.1°
(v)
130.1°
Question
26
26.
In the adjoining figure,
HIJK
is a parallelogram in which
∠KHJ = 8.28°
,
∠JHI = 13.95°
,
∠KLJ = 35.08°
. Calculate
∠IJH
(i)
6.28°
(ii)
9.28°
(iii)
8.28°
(iv)
10.28°
(v)
7.28°
Question
27
27.
In the adjoining figure,
JKLM
is a parallelogram in which
∠MJL = 25.15°
,
∠LJK = 40.55°
,
∠MNL = 63.46°
. Calculate
∠MKL
(i)
39.31°
(ii)
36.31°
(iii)
38.31°
(iv)
40.31°
(v)
37.31°
Question
28
28.
In the adjoining figure,
HIJK
is a rectangle.
If
∠JHI = 48.37°
, find
∠HIK
(i)
46.37°
(ii)
48.37°
(iii)
47.37°
(iv)
50.37°
(v)
49.37°
Question
29
29.
In the figure given below,
KLMN
is a rectangle.
Find the values of x and y
(i)
x
=
44.55°
,
y
=
91.1°
(ii)
x
=
46.55°
,
y
=
93.1°
(iii)
x
=
47.55°
,
y
=
94.1°
(iv)
x
=
45.55°
,
y
=
92.1°
(v)
x
=
48.55°
,
y
=
95.1°
Question
30
30.
In the figure given below,
PQRS
is a rectangle.
Find the values of x and y
(i)
x
=
47.76°
,
y
=
38.24°
(ii)
x
=
51.76°
,
y
=
42.24°
(iii)
x
=
50.76°
,
y
=
41.24°
(iv)
x
=
49.76°
,
y
=
40.24°
(v)
x
=
48.76°
,
y
=
39.24°
Question
31
31.
In the figure given below,
NOPQ
is a rhombus.
Find the values of x and y
(i)
x
=
67.86°
,
y
=
67.86°
(ii)
x
=
69.86°
,
y
=
69.86°
(iii)
x
=
70.86°
,
y
=
70.86°
(iv)
x
=
68.86°
,
y
=
68.86°
(v)
x
=
66.86°
,
y
=
66.86°
Question
32
32.
In the figure given below,
BCDE
is a rhombus.
Find the values of x and y
(i)
x
=
48.31°
,
y
=
41.69°
(ii)
x
=
47.31°
,
y
=
40.69°
(iii)
x
=
46.31°
,
y
=
39.69°
(iv)
x
=
49.31°
,
y
=
42.69°
(v)
x
=
50.31°
,
y
=
43.69°
Question
33
33.
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 = 36.65° and ∠ABO = 40.03°, find the measure of each of the angles marked a,b,c,d and e.
(i)
a = 53.35° , b = 50.97° , c = 39.03° , d = 55.35° , e = 34.65°
(ii)
a = 53.35° , b = 50.97° , c = 39.03° , d = 55.35° , e = 36.65°
(iii)
a = 53.35° , b = 50.97° , c = 39.03° , d = 53.35° , e = 36.65°
(iv)
a = 53.35° , b = 50.97° , c = 40.03° , d = 53.35° , e = 36.65°
(v)
a = 53.35° , b = 49.97° , c = 40.03° , d = 53.35° , e = 36.65°
Question
34
34.
In the adjoining figure, side HI of parallelogram GHIJ has been produced to K. If ∠GHK = 59.28° , find the measure of each angle of the parallelogram.
(i)
G
=
61.28°
,
H
=
119.72°
,
I
=
57.28°
,
J
=
121.72°
(ii)
G
=
58.28°
,
H
=
118.72°
,
I
=
60.28°
,
J
=
122.72°
(iii)
G
=
60.28°
,
H
=
119.72°
,
I
=
61.28°
,
J
=
118.72°
(iv)
G
=
59.28°
,
H
=
120.72°
,
I
=
59.28°
,
J
=
120.72°
(v)
G
=
57.28°
,
H
=
122.72°
,
I
=
58.28°
,
J
=
121.72°
Question
35
35.
In the adjoining figure,
DEFG
is a parallelogram and
HI
is such that
HI
∥
DF
If
∠DGH = 32.29°
and
∠FGI = 40.22°
,
find the measure of
∠FGD
.
(i)
105.49°
(ii)
109.49°
(iii)
106.49°
(iv)
108.49°
(v)
107.49°
Question
36
36.
In the adjoining figure, EFGH is a square. A line segment HJ cuts the side FG at J and the diagonal EG at I such that ∠HIG = 106.45° and ∠IJG = x°. Find the value of x .
(i)
63.45°
(ii)
61.45°
(iii)
62.45°
(iv)
60.45°
(v)
59.45°
Question
37
37.
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 = 38.91°, find the values of x and y .
(i)
x
=
28°
,
y
=
38.55°
(ii)
x
=
32°
,
y
=
42.55°
(iii)
x
=
31°
,
y
=
41.55°
(iv)
x
=
29°
,
y
=
39.55°
(v)
x
=
30°
,
y
=
40.55°
Question
38
38.
In the adjoining figure, equilateral △IHJ surmounts square FGHI. If HJF = x°, find the value of x.
(i)
47°
(ii)
46°
(iii)
45°
(iv)
43°
(v)
44°
Question
39
39.
In the given figure,
PQRS
is a rectangle whose diagonals intersect at
T
.
Diagonal
PR
is produced to
T
and
∠SRT =
140.53°
. Find the angles of
△TPQ
.
(i)
T
=
99.06°
,
P
=
39.47°
,
Q
=
41.47°
(ii)
T
=
101.06°
,
P
=
39.47°
,
Q
=
39.47°
(iii)
T
=
103.06°
,
P
=
39.47°
,
Q
=
37.47°
(iv)
T
=
101.06°
,
P
=
37.47°
,
Q
=
41.47°
(v)
T
=
99.06°
,
P
=
41.47°
,
Q
=
39.47°
Question
40
40.
In the given figure,
JKLM
is a kite whose diagonals intersect at
N
.
If
∠MJK = 65.74°
and
∠JKL = 100.26°
, calculate
∠NMJ
and
∠NLM
.
(i)
x
=
56.13°
,
y
=
45.87°
(ii)
x
=
57.13°
,
y
=
46.87°
(iii)
x
=
58.13°
,
y
=
47.87°
(iv)
x
=
55.13°
,
y
=
44.87°
(v)
x
=
59.13°
,
y
=
48.87°
Question
41
41.
△HEF
is an equilateral triangle in a square
DEFG
.
If
DF
and
HE
intersect at
I
,
then find the value of x.
(i)
74°
(ii)
75°
(iii)
76°
(iv)
73°
(v)
77°
Question
42
42.
In the adjoining figure,
J
is a point in the interior of
∠LHM
.
If
JI
⟂
HL
and
JK
⟂
HM
and
∠LHM = 59°
,
find the measure of x .
(i)
238°
(ii)
240°
(iii)
241°
(iv)
239°
(v)
237°
Question
43
43.
In the given figure, HIJK is a rhombus. Given x = 51°, find the value of 'y'.
(i)
39°
(ii)
40°
(iii)
37°
(iv)
41°
(v)
38°
Question
44
44.
In the given figure, EFGH is a parallelogram. EG bisects ∠E & ∠G.
Given
EG = 12 cm
and
FH = 8 cm
, find
EF
(i)
8.21 cm
(ii)
5.21 cm
(iii)
9.21 cm
(iv)
6.21 cm
(v)
7.21 cm
Question
45
45.
In the given figure, CDEF is a parallelogram. DF is the diagonal
such that
CF = DF = DE
. Given
∠C = 52°
, find
∠FDE
(i)
76°
(ii)
78°
(iii)
74°
(iv)
75°
(v)
77°
Question
46
46.
In the given figure, BCDE is a parallelogram. BR and DS are perpendicular to the diagonal CE. Given ∠RBC = 41°, find ∠DEC
(i)
49°
(ii)
51°
(iii)
48°
(iv)
50°
(v)
47°
Question
47
47.
In the given figure, EFGH is a rhombus such that ∠F = 120°. Then △EFH is
(i)
Obtuse angled triangle
(ii)
Isosceles triangle
(iii)
Equilateral triangle
(iv)
Right angled triangle
Assignment Key
1) (v)
2) (iii)
3) (v)
4) (iv)
5) (i)
6) (iv)
7) (ii)
8) (i)
9) (ii)
10) (iii)
11) (iii)
12) (ii)
13) (ii)
14) (i)
15) (iv)
16) (v)
17) (iv)
18) (ii)
19) (v)
20) (iii)
21) (i)
22) (i)
23) (iv)
24) (ii)
25) (iii)
26) (iii)
27) (iii)
28) (ii)
29) (ii)
30) (iv)
31) (iv)
32) (i)
33) (v)
34) (iv)
35) (v)
36) (ii)
37) (v)
38) (iii)
39) (ii)
40) (ii)
41) (ii)
42) (iv)
43) (i)
44) (v)
45) (i)
46) (i)
47) (iii)