EduSahara™ Assignment
Name : Perimeter and Area of Triangles
Chapter : Perimeter and Area of Plane Figures
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
In △PQR, if QR = 10 cm, RP = 12 cm, PQ = 16 cm, then perimeter of the triangle =
  • (i)
    41.00 cm
  • (ii)
    33.00 cm
  • (iii)
    35.00 cm
  • (iv)
    38.00 cm
  • (v)
    43.00 cm
Question 2
2.
In △PQR, if QR = 18 cm, RP = 15 cm, PQ = 20 cm, then area of the triangle =
  • (i)
    129.76 sq.cm
  • (ii)
    112.76 sq.cm
  • (iii)
    143.76 sq.cm
  • (iv)
    151.76 sq.cm
  • (v)
    124.76 sq.cm
Question 3
3.
In △PQR, if QR = 10 cm, RP = 14 cm and perimeter = 42 cm, then area of the triangle =
  • (i)
    66.65 sq.cm
  • (ii)
    69.65 sq.cm
  • (iii)
    64.65 sq.cm
  • (iv)
    74.65 sq.cm
  • (v)
    72.65 sq.cm
Question 4
4.
If the side of an equilateral triangle is 14 cm, the height of the equilateral triangle =
  • (i)
    9.12 cm
  • (ii)
    17.12 cm
  • (iii)
    15.12 cm
  • (iv)
    7.12 cm
  • (v)
    12.12 cm
Question 5
5.
If the side of an equilateral triangle is 17 cm, the perimeter of the equilateral triangle =
  • (i)
    56.00 cm
  • (ii)
    46.00 cm
  • (iii)
    48.00 cm
  • (iv)
    54.00 cm
  • (v)
    51.00 cm
Question 6
6.
If area of an equilateral triangle is 43.3 sq.cm, the side of the equilateral triangle =
  • (i)
    7.00 cm
  • (ii)
    10.00 cm
  • (iii)
    5.00 cm
  • (iv)
    15.00 cm
  • (v)
    13.00 cm
Question 7
7.
If area of an equilateral triangle is 84.87 sq.cm, the height of the equilateral triangle =
  • (i)
    17.12 cm
  • (ii)
    15.12 cm
  • (iii)
    9.12 cm
  • (iv)
    7.12 cm
  • (v)
    12.12 cm
Question 8
8.
If area of an equilateral triangle is 43.3 sq.cm, the perimeter of the equilateral triangle =
  • (i)
    25.00 cm
  • (ii)
    35.00 cm
  • (iii)
    33.00 cm
  • (iv)
    27.00 cm
  • (v)
    30.00 cm
Question 9
9.
If perimeter of an equilateral triangle 57 cm, the area of the equilateral triangle =
  • (i)
    149.32 sq.cm
  • (ii)
    158.32 sq.cm
  • (iii)
    129.32 sq.cm
  • (iv)
    174.32 sq.cm
  • (v)
    156.32 sq.cm
Question 10
10.
If height of an equilateral triangle is 9.53 cm, the area of the equilateral triangle =
  • (i)
    52.39 sq.cm
  • (ii)
    57.39 sq.cm
  • (iii)
    55.39 sq.cm
  • (iv)
    49.39 sq.cm
  • (v)
    47.39 sq.cm
Question 11
11.
In an isosceles triangle △ABC, if BC = 11 cm, AB = CA = 12 cm, then perimeter of the triangle =
  • (i)
    35.00 cm
  • (ii)
    32.00 cm
  • (iii)
    30.00 cm
  • (iv)
    38.00 cm
  • (v)
    40.00 cm
Question 12
12.
In an isosceles triangle △ABC, if BC = 12 cm, AB = CA = 15 cm, then area of the triangle =
  • (i)
    87.49 sq.cm
  • (ii)
    85.49 sq.cm
  • (iii)
    82.49 sq.cm
  • (iv)
    79.49 sq.cm
  • (v)
    77.49 sq.cm
Question 13
13.
In an isosceles triangle △ABC, if BC = 10 cm, CA = AB and perimeter is 40 cm, then area of the triangle =
  • (i)
    67.71 sq.cm
  • (ii)
    75.71 sq.cm
  • (iii)
    73.71 sq.cm
  • (iv)
    70.71 sq.cm
  • (v)
    65.71 sq.cm
Question 14
14.
In a right angled triangle △PQR, if QR = 12 cm, PQ = 19 cm are the lengths of perpendicular sides , then area of the triangle =
  • (i)
    88.00 sq.cm
  • (ii)
    128.00 sq.cm
  • (iii)
    132.00 sq.cm
  • (iv)
    97.00 sq.cm
  • (v)
    114.00 sq.cm
Question 15
15.
In a right angled triangle △PQR, if the base QR = 13 cm and the corresponding height is 19 cm, then perimeter of the triangle =
  • (i)
    52.02 cm
  • (ii)
    55.02 cm
  • (iii)
    60.02 cm
  • (iv)
    50.02 cm
  • (v)
    58.02 cm
Question 16
16.
In a right angled triangle △PQR, if the base QR = 17 cm and the corresponding height is 20 cm, then area of the triangle =
  • (i)
    166.00 sq.cm
  • (ii)
    154.00 sq.cm
  • (iii)
    188.00 sq.cm
  • (iv)
    170.00 sq.cm
Question 17
17.
In △PQR, if QR = 18 cm, RP = 19 cm and the corresponding height of side QR = 17.27 cm, then corresponding height of side RP =
  • (i)
    11.36 cm
  • (ii)
    16.36 cm
  • (iii)
    21.36 cm
  • (iv)
    19.36 cm
  • (v)
    13.36 cm
Question 18
18.
In △PQR, if base QR = 10 cm and the corresponding height of side QR = 14.6 cm, then area of the triangle =
  • (i)
    75.99 sq.cm
  • (ii)
    77.99 sq.cm
  • (iii)
    72.99 sq.cm
  • (iv)
    67.99 sq.cm
  • (v)
    69.99 sq.cm
Question 19
19.
In △PQR, if corresponding height of side QR = 8.5 cm and area of the triangle = 84.96 sq.cm, then side QR =
  • (i)
    20.00 cm
  • (ii)
    25.00 cm
  • (iii)
    23.00 cm
  • (iv)
    15.00 cm
  • (v)
    17.00 cm
Question 20
20.
If perimeter of an equilateral triangle 42 cm, the side of the equilateral triangle =
  • (i)
    9.00 cm
  • (ii)
    17.00 cm
  • (iii)
    11.00 cm
  • (iv)
    14.00 cm
  • (v)
    19.00 cm
Question 21
21.
If perimeter of an equilateral triangle 36 cm, the height of the equilateral triangle =
  • (i)
    7.39 cm
  • (ii)
    15.39 cm
  • (iii)
    10.39 cm
  • (iv)
    13.39 cm
  • (v)
    5.39 cm
Question 22
22.
If height of an equilateral triangle is 13.86 cm, the side of the equilateral triangle =
  • (i)
    11.00 cm
  • (ii)
    21.00 cm
  • (iii)
    16.00 cm
  • (iv)
    13.00 cm
  • (v)
    19.00 cm
Question 23
23.
If height of an equilateral triangle is 15.59 cm, the perimeter of the equilateral triangle =
  • (i)
    59.00 cm
  • (ii)
    51.00 cm
  • (iii)
    57.00 cm
  • (iv)
    54.00 cm
  • (v)
    49.00 cm
Question 24
24.
In an isosceles triangle △ABC, if BC = 17 cm, AB = CA = 15 cm, then corresponding height of side BC =
  • (i)
    15.36 cm
  • (ii)
    17.36 cm
  • (iii)
    12.36 cm
  • (iv)
    9.36 cm
  • (v)
    7.36 cm
Question 25
25.
In an isosceles triangle △ABC, if BC = 20 cm, CA = AB and perimeter is 52 cm, then side AB =
  • (i)
    21.00 cm
  • (ii)
    11.00 cm
  • (iii)
    16.00 cm
  • (iv)
    13.00 cm
  • (v)
    19.00 cm
Question 26
26.
In an isosceles triangle △ABC, if base BC = 19 cm and the corresponding height is 7.33 cm, then area of the triangle =
  • (i)
    66.65 sq.cm
  • (ii)
    74.65 sq.cm
  • (iii)
    64.65 sq.cm
  • (iv)
    72.65 sq.cm
  • (v)
    69.65 sq.cm
Question 27
27.
In a right angled triangle △PQR, if QR = 16 cm, PQ = 13 cm are the lengths of perpendicular sides , then corresponding height of side QR =
  • (i)
    13.00 cm
  • (ii)
    10.00 cm
  • (iii)
    8.00 cm
  • (iv)
    16.00 cm
  • (v)
    18.00 cm
Question 28
28.
In a right angled triangle △PQR, if QR = 12 cm, PQ = 10 cm are the lengths of perpendicular sides , then corresponding height of side RP =
  • (i)
    5.68 cm
  • (ii)
    6.68 cm
  • (iii)
    8.68 cm
  • (iv)
    9.68 cm
  • (v)
    7.68 cm
    Assignment Key

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