EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Pythagoras Theorem
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
In a right angled triangle △PQR, if QR = 13 cm is one of the perpendicular sides and RP = 19.1 cm is the hypotenuse, then corresponding height of side QR =
  • (i)
    11.00 cm
  • (ii)
    9.00 cm
  • (iii)
    17.00 cm
  • (iv)
    14.00 cm
  • (v)
    19.00 cm
Question 2
2.
In a right angled triangle △PQR, if the area is 65 sq.cm and corresponding height of side QR = 10 cm, then perimeter of the triangle =
  • (i)
    36.40 cm
  • (ii)
    39.40 cm
  • (iii)
    34.40 cm
  • (iv)
    44.40 cm
  • (v)
    42.40 cm
Question 3
3.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 11 cm, then perimeter of the triangle =
  • (i)
    34.56 cm
  • (ii)
    40.56 cm
  • (iii)
    32.56 cm
  • (iv)
    37.56 cm
  • (v)
    42.56 cm
Question 4
4.
In the given figure, △BCD is a triangle with BE being the median of CD. Then
  • (i)
      • BC
        2
      • +
      • BD
        2
      • =
      • 2
      • CE
        2
      • +
      • 2
      • BE
        2
  • (ii)
      • BC
        2
      • +
      • BD
        2
      • =
      • 2
      • ED
        2
      • +
      • 2
      • BE
        2
  • (iii)
      • BC
        2
      • +
      • BD
        2
      • =
      • CD
        2
  • (iv)
      • BC
        2
      • +
      • BD
        2
      • =
      • 2
      • CE
        2
      • +
      • 2
      • ED
        2
  • (v)
      • BC
        2
      • +
      • BD
        2
      • =
      • BE
        2
Question 5
5.
In an isosceles right angled triangle △PQR, if QR = 10 cm is one of the equal sides, then corresponding height of side RP =
  • (i)
    5.07 cm
  • (ii)
    6.07 cm
  • (iii)
    7.07 cm
  • (iv)
    9.07 cm
  • (v)
    8.07 cm
Question 6
6.
In an isosceles right angled triangle △PQR, if QR = 18 cm is one of the equal sides, then perimeter of the triangle =
  • (i)
    58.46 cm
  • (ii)
    64.46 cm
  • (iii)
    66.46 cm
  • (iv)
    56.46 cm
  • (v)
    61.46 cm
Question 7
7.
In a right angled triangle △PQR, if QR = 17 cm is one of the perpendicular sides and RP = 25.5 cm is the hypotenuse, then perimeter of the triangle =
  • (i)
    58.50 cm
  • (ii)
    66.50 cm
  • (iii)
    64.50 cm
  • (iv)
    56.50 cm
  • (v)
    61.50 cm
Question 8
8.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 12 cm, then corresponding height of side PQ =
  • (i)
    9.00 cm
  • (ii)
    15.00 cm
  • (iii)
    12.00 cm
  • (iv)
    7.00 cm
  • (v)
    17.00 cm
Question 9
9.
In a right angled triangle △PQR, if the area is 88 sq.cm and base QR = 16 cm, then perimeter of the triangle =
  • (i)
    43.42 cm
  • (ii)
    41.42 cm
  • (iii)
    46.42 cm
  • (iv)
    51.42 cm
  • (v)
    49.42 cm
Question 10
10.
In a right angled triangle △PQR, if the base QR = 12 cm and the corresponding height is 15 cm, then side PQ =
  • (i)
    18.00 cm
  • (ii)
    15.00 cm
  • (iii)
    20.00 cm
  • (iv)
    10.00 cm
  • (v)
    12.00 cm
Question 11
11.
In the given figure, ABCD is a rhombus. Which of the following are true?
a)
    • BC
      2
    • +
    • CD
      2
    • =
    • BD
      2
b)
    • AB
      2
    • +
    • BC
      2
    • +
    • CD
      2
    • +
    • AD
      2
    • =
    • AC
      2
    • +
    • BD
      2
c)
    • AB
      2
    • +
    • BC
      2
    • =
    • AC
      2
d)
    • 4
    • AB
      2
    • =
    • AC
      2
    • +
    • BD
      2
e)
    • 2
    • AB
      2
    • =
    • AC
      2
    • +
    • BD
      2
  • (i)
    {c,d}
  • (ii)
    {b,d}
  • (iii)
    {c,d,b}
  • (iv)
    {a,b}
  • (v)
    {e,a,b}
Question 12
12.
In a right angled triangle △PQR, if the area is 170 sq.cm and corresponding height of side QR = 17 cm, then corresponding height of side PQ =
  • (i)
    23.00 cm
  • (ii)
    25.00 cm
  • (iii)
    17.00 cm
  • (iv)
    15.00 cm
  • (v)
    20.00 cm
Question 13
13.
In an isosceles right angled triangle △PQR, if RP = 22.63 cm is the hypotenuse, then area of the triangle =
  • (i)
    128.00 sq.cm
  • (ii)
    155.00 sq.cm
  • (iii)
    132.00 sq.cm
  • (iv)
    123.00 sq.cm
  • (v)
    105.00 sq.cm
Question 14
14.
In a right angled triangle △PQR, if QR = 18 cm is one of the perpendicular sides and RP = 26.17 cm is the hypotenuse, then area of the triangle =
  • (i)
    197.00 sq.cm
  • (ii)
    164.00 sq.cm
  • (iii)
    173.00 sq.cm
  • (iv)
    171.00 sq.cm
  • (v)
    155.00 sq.cm
Question 15
15.
In an isosceles right angled triangle △PQR, if area = 98 sq.cm, then side PQ =
  • (i)
    14.00 cm
  • (ii)
    19.00 cm
  • (iii)
    9.00 cm
  • (iv)
    17.00 cm
  • (v)
    11.00 cm
Question 16
16.
In an isosceles right angled triangle △PQR, if perimeter = 54.63 cm, then side RP =
  • (i)
    22.63 cm
  • (ii)
    25.63 cm
  • (iii)
    17.63 cm
  • (iv)
    19.63 cm
  • (v)
    27.63 cm
Question 17
17.
In the given figure, in △GHI, 'O' is a point inside the triangle. OJ ⟂ HI, OK ⟂ GI and OL ⟂ GH. Then
  • (i)
      • GL
        2
      • +
      • HJ
        2
      • +
      • IK
        2
      • =
      • OG
        2
      • +
      • OH
        2
      • +
      • OI
        2
      • +
      • OJ
        2
      • +
      • OK
        2
      • +
      • OL
        2
  • (ii)
      • GL
        2
      • +
      • HJ
        2
      • +
      • IK
        2
      • =
      • OG
        2
      • +
      • OH
        2
      • +
      • OI
        2
      • OJ
        2
      • OK
        2
      • OL
        2
  • (iii)
      • GL
        2
      • +
      • HJ
        2
      • +
      • IK
        2
      • =
      • GH
        2
      • +
      • JI
        2
      • +
      • IG
        2
      • HL
        2
      • IJ
        2
      • KG
        2
  • (iv)
      • GL
        2
      • +
      • HJ
        2
      • +
      • IK
        2
      • =
      • OL
        2
      • +
      • OK
        2
      • +
      • OJ
        2
Question 18
18.
In a right angled triangle △PQR, if the base QR = 11 cm and the corresponding height is 16 cm, then corresponding height of side RP =
  • (i)
    8.06 cm
  • (ii)
    10.06 cm
  • (iii)
    7.06 cm
  • (iv)
    9.06 cm
  • (v)
    11.06 cm
Question 19
19.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 16 cm, then corresponding height of side QR =
  • (i)
    19.00 cm
  • (ii)
    11.00 cm
  • (iii)
    16.00 cm
  • (iv)
    21.00 cm
  • (v)
    13.00 cm
Question 20
20.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 15 cm, then side PQ =
  • (i)
    18.00 cm
  • (ii)
    15.00 cm
  • (iii)
    10.00 cm
  • (iv)
    12.00 cm
  • (v)
    20.00 cm
Question 21
21.
In a right angled triangle, if one of the angles is 52.43°, find the third angle
  • (i)
    37.57°
  • (ii)
    52.57°
  • (iii)
    47.57°
  • (iv)
    67.57°
  • (v)
    42.57°
Question 22
22.
In a right angled triangle △PQR, if QR = 13 cm is one of the perpendicular sides and RP = 21.4 cm is the hypotenuse, then side PQ =
  • (i)
    17.00 cm
  • (ii)
    20.00 cm
  • (iii)
    12.00 cm
  • (iv)
    22.00 cm
  • (v)
    14.00 cm
Question 23
23.
In a right angled triangle △PQR, if the area is 70 sq.cm and base QR = 14 cm, then corresponding height of side PQ =
  • (i)
    17.00 cm
  • (ii)
    9.00 cm
  • (iii)
    14.00 cm
  • (iv)
    11.00 cm
  • (v)
    19.00 cm
Question 24
24.
In a right angled triangle, if the two non-hypotenuse sides are 6 cm and 8 cm, find the hypotenuse
  • (i)
    10.00 cm
  • (ii)
    8.00 cm
  • (iii)
    11.00 cm
  • (iv)
    12.00 cm
  • (v)
    9.00 cm
Question 25
25.
In an isosceles right angled triangle △PQR, if QR = 16 cm is one of the equal sides, then corresponding height of side PQ =
  • (i)
    11.00 cm
  • (ii)
    21.00 cm
  • (iii)
    19.00 cm
  • (iv)
    16.00 cm
  • (v)
    13.00 cm
    Assignment Key

  •  1) (iv)
  •  2) (ii)
  •  3) (iv)
  •  4) (i)
  •  5) (iii)
  •  6) (v)
  •  7) (v)
  •  8) (iii)
  •  9) (iii)
  •  10) (ii)
  •  11) (ii)
  •  12) (v)
  •  13) (i)
  •  14) (iv)
  •  15) (i)
  •  16) (i)
  •  17) (ii)
  •  18) (iv)
  •  19) (iii)
  •  20) (ii)
  •  21) (i)
  •  22) (i)
  •  23) (iii)
  •  24) (i)
  •  25) (iv)