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 = 20 cm, RP = 10 cm, PQ = 18 cm, then perimeter of the triangle =
  • (i)
    48.00 cm
  • (ii)
    45.00 cm
  • (iii)
    53.00 cm
  • (iv)
    51.00 cm
  • (v)
    43.00 cm
Question 2
2.
In △PQR, if QR = 16 cm, RP = 13 cm, PQ = 18 cm, then area of the triangle =
  • (i)
    92.89 sq.cm
  • (ii)
    115.89 sq.cm
  • (iii)
    100.89 sq.cm
  • (iv)
    127.89 sq.cm
  • (v)
    84.89 sq.cm
Question 3
3.
In △PQR, if QR = 15 cm, RP = 15 cm and perimeter = 42 cm, then area of the triangle =
  • (i)
    79.49 sq.cm
  • (ii)
    85.49 sq.cm
  • (iii)
    77.49 sq.cm
  • (iv)
    87.49 sq.cm
  • (v)
    82.49 sq.cm
Question 4
4.
If the side of an equilateral triangle is 13 cm, the height of the equilateral triangle =
  • (i)
    11.26 cm
  • (ii)
    8.26 cm
  • (iii)
    16.26 cm
  • (iv)
    14.26 cm
  • (v)
    6.26 cm
Question 5
5.
If the side of an equilateral triangle is 15 cm, the perimeter of the equilateral triangle =
  • (i)
    42.00 cm
  • (ii)
    50.00 cm
  • (iii)
    48.00 cm
  • (iv)
    40.00 cm
  • (v)
    45.00 cm
Question 6
6.
If area of an equilateral triangle is 52.39 sq.cm, the side of the equilateral triangle =
  • (i)
    14.00 cm
  • (ii)
    6.00 cm
  • (iii)
    16.00 cm
  • (iv)
    8.00 cm
  • (v)
    11.00 cm
Question 7
7.
If area of an equilateral triangle is 43.3 sq.cm, the height of the equilateral triangle =
  • (i)
    7.66 cm
  • (ii)
    6.66 cm
  • (iii)
    9.66 cm
  • (iv)
    10.66 cm
  • (v)
    8.66 cm
Question 8
8.
If area of an equilateral triangle is 110.85 sq.cm, the perimeter of the equilateral triangle =
  • (i)
    45.00 cm
  • (ii)
    51.00 cm
  • (iii)
    53.00 cm
  • (iv)
    43.00 cm
  • (v)
    48.00 cm
Question 9
9.
If perimeter of an equilateral triangle 39 cm, the area of the equilateral triangle =
  • (i)
    76.18 sq.cm
  • (ii)
    70.18 sq.cm
  • (iii)
    68.18 sq.cm
  • (iv)
    73.18 sq.cm
  • (v)
    78.18 sq.cm
Question 10
10.
If height of an equilateral triangle is 9.53 cm, the area of the equilateral triangle =
  • (i)
    57.39 sq.cm
  • (ii)
    52.39 sq.cm
  • (iii)
    47.39 sq.cm
  • (iv)
    55.39 sq.cm
  • (v)
    49.39 sq.cm
Question 11
11.
In an isosceles triangle △ABC, if BC = 12 cm, AB = CA = 10 cm, then perimeter of the triangle =
  • (i)
    27.00 cm
  • (ii)
    37.00 cm
  • (iii)
    29.00 cm
  • (iv)
    32.00 cm
  • (v)
    35.00 cm
Question 12
12.
In an isosceles triangle △ABC, if BC = 13 cm, AB = CA = 10 cm, then area of the triangle =
  • (i)
    54.40 sq.cm
  • (ii)
    46.40 sq.cm
  • (iii)
    44.40 sq.cm
  • (iv)
    52.40 sq.cm
  • (v)
    49.40 sq.cm
Question 13
13.
In an isosceles triangle △ABC, if BC = 20 cm, CA = AB and perimeter is 44 cm, then area of the triangle =
  • (i)
    61.33 sq.cm
  • (ii)
    69.33 sq.cm
  • (iii)
    71.33 sq.cm
  • (iv)
    63.33 sq.cm
  • (v)
    66.33 sq.cm
Question 14
14.
In a right angled triangle △PQR, if QR = 20 cm, PQ = 13 cm are the lengths of perpendicular sides , then area of the triangle =
  • (i)
    146.00 sq.cm
  • (ii)
    132.00 sq.cm
  • (iii)
    116.00 sq.cm
  • (iv)
    125.00 sq.cm
  • (v)
    130.00 sq.cm
Question 15
15.
In a right angled triangle △PQR, if the base QR = 10 cm and the corresponding height is 11 cm, then perimeter of the triangle =
  • (i)
    38.87 cm
  • (ii)
    40.87 cm
  • (iii)
    30.87 cm
  • (iv)
    35.87 cm
  • (v)
    32.87 cm
Question 16
16.
In a right angled triangle △PQR, if the base QR = 16 cm and the corresponding height is 13 cm, then area of the triangle =
  • (i)
    79.00 sq.cm
  • (ii)
    117.00 sq.cm
  • (iii)
    131.00 sq.cm
  • (iv)
    104.00 sq.cm
  • (v)
    90.00 sq.cm
Question 17
17.
In △PQR, if QR = 13 cm, RP = 11 cm and the corresponding height of side QR = 10.71 cm, then corresponding height of side RP =
  • (i)
    7.66 cm
  • (ii)
    17.66 cm
  • (iii)
    9.66 cm
  • (iv)
    12.66 cm
  • (v)
    15.66 cm
Question 18
18.
In △PQR, if base QR = 16 cm and the corresponding height of side QR = 9.12 cm, then area of the triangle =
  • (i)
    67.99 sq.cm
  • (ii)
    69.99 sq.cm
  • (iii)
    75.99 sq.cm
  • (iv)
    77.99 sq.cm
  • (v)
    72.99 sq.cm
Question 19
19.
In △PQR, if corresponding height of side QR = 16.99 cm and area of the triangle = 84.96 sq.cm, then side QR =
  • (i)
    10.00 cm
  • (ii)
    7.00 cm
  • (iii)
    13.00 cm
  • (iv)
    15.00 cm
  • (v)
    5.00 cm
Question 20
20.
If perimeter of an equilateral triangle 45 cm, the side of the equilateral triangle =
  • (i)
    15.00 cm
  • (ii)
    20.00 cm
  • (iii)
    10.00 cm
  • (iv)
    18.00 cm
  • (v)
    12.00 cm
Question 21
21.
If perimeter of an equilateral triangle 39 cm, the height of the equilateral triangle =
  • (i)
    11.26 cm
  • (ii)
    14.26 cm
  • (iii)
    8.26 cm
  • (iv)
    6.26 cm
  • (v)
    16.26 cm
Question 22
22.
If height of an equilateral triangle is 14.72 cm, the side of the equilateral triangle =
  • (i)
    12.00 cm
  • (ii)
    20.00 cm
  • (iii)
    22.00 cm
  • (iv)
    14.00 cm
  • (v)
    17.00 cm
Question 23
23.
If height of an equilateral triangle is 16.45 cm, the perimeter of the equilateral triangle =
  • (i)
    60.00 cm
  • (ii)
    52.00 cm
  • (iii)
    57.00 cm
  • (iv)
    62.00 cm
  • (v)
    54.00 cm
Question 24
24.
In an isosceles triangle △ABC, if BC = 13 cm, AB = CA = 10 cm, then corresponding height of side BC =
  • (i)
    5.60 cm
  • (ii)
    8.60 cm
  • (iii)
    7.60 cm
  • (iv)
    9.60 cm
  • (v)
    6.60 cm
Question 25
25.
In an isosceles triangle △ABC, if BC = 19 cm, CA = AB and perimeter is 45 cm, then side AB =
  • (i)
    10.00 cm
  • (ii)
    16.00 cm
  • (iii)
    13.00 cm
  • (iv)
    18.00 cm
  • (v)
    8.00 cm
Question 26
26.
In an isosceles triangle △ABC, if base BC = 11 cm and the corresponding height is 12.87 cm, then area of the triangle =
  • (i)
    70.81 sq.cm
  • (ii)
    67.81 sq.cm
  • (iii)
    75.81 sq.cm
  • (iv)
    73.81 sq.cm
  • (v)
    65.81 sq.cm
Question 27
27.
In a right angled triangle △PQR, if QR = 19 cm, PQ = 13 cm are the lengths of perpendicular sides , then corresponding height of side QR =
  • (i)
    16.00 cm
  • (ii)
    10.00 cm
  • (iii)
    18.00 cm
  • (iv)
    13.00 cm
  • (v)
    8.00 cm
Question 28
28.
In a right angled triangle △PQR, if QR = 10 cm, PQ = 17 cm are the lengths of perpendicular sides , then corresponding height of side RP =
  • (i)
    9.62 cm
  • (ii)
    7.62 cm
  • (iii)
    8.62 cm
  • (iv)
    6.62 cm
  • (v)
    10.62 cm
    Assignment Key

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