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 = 18 cm, RP = 15 cm, PQ = 11 cm, then perimeter of the triangle =
  • (i)
    44.00 cm
  • (ii)
    49.00 cm
  • (iii)
    41.00 cm
  • (iv)
    47.00 cm
  • (v)
    39.00 cm
Question 2
2.
In △PQR, if QR = 13 cm, RP = 11 cm, PQ = 14 cm, then area of the triangle =
  • (i)
    67.53 sq.cm
  • (ii)
    72.53 sq.cm
  • (iii)
    70.53 sq.cm
  • (iv)
    64.53 sq.cm
  • (v)
    62.53 sq.cm
Question 3
3.
In △PQR, if QR = 16 cm, RP = 20 cm and perimeter = 49 cm, then area of the triangle =
  • (i)
    99.81 sq.cm
  • (ii)
    115.81 sq.cm
  • (iii)
    103.81 sq.cm
  • (iv)
    110.81 sq.cm
  • (v)
    85.81 sq.cm
Question 4
4.
If the side of an equilateral triangle is 17 cm, the height of the equilateral triangle =
  • (i)
    14.72 cm
  • (ii)
    19.72 cm
  • (iii)
    11.72 cm
  • (iv)
    17.72 cm
  • (v)
    9.72 cm
Question 5
5.
If the side of an equilateral triangle is 19 cm, the perimeter of the equilateral triangle =
  • (i)
    57.00 cm
  • (ii)
    52.00 cm
  • (iii)
    54.00 cm
  • (iv)
    60.00 cm
  • (v)
    62.00 cm
Question 6
6.
If area of an equilateral triangle is 97.43 sq.cm, the side of the equilateral triangle =
  • (i)
    20.00 cm
  • (ii)
    15.00 cm
  • (iii)
    10.00 cm
  • (iv)
    18.00 cm
  • (v)
    12.00 cm
Question 7
7.
If area of an equilateral triangle is 52.39 sq.cm, the height of the equilateral triangle =
  • (i)
    8.53 cm
  • (ii)
    9.53 cm
  • (iii)
    7.53 cm
  • (iv)
    10.53 cm
  • (v)
    11.53 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)
    53.00 cm
  • (iii)
    48.00 cm
  • (iv)
    51.00 cm
  • (v)
    43.00 cm
Question 9
9.
If perimeter of an equilateral triangle 54 cm, the area of the equilateral triangle =
  • (i)
    152.30 sq.cm
  • (ii)
    140.30 sq.cm
  • (iii)
    166.30 sq.cm
  • (iv)
    116.30 sq.cm
  • (v)
    127.30 sq.cm
Question 10
10.
If height of an equilateral triangle is 10.39 cm, the area of the equilateral triangle =
  • (i)
    59.35 sq.cm
  • (ii)
    65.35 sq.cm
  • (iii)
    57.35 sq.cm
  • (iv)
    67.35 sq.cm
  • (v)
    62.35 sq.cm
Question 11
11.
In an isosceles triangle △ABC, if BC = 10 cm, AB = CA = 15 cm, then perimeter of the triangle =
  • (i)
    43.00 cm
  • (ii)
    37.00 cm
  • (iii)
    35.00 cm
  • (iv)
    45.00 cm
  • (v)
    40.00 cm
Question 12
12.
In an isosceles triangle △ABC, if BC = 10 cm, AB = CA = 15 cm, then area of the triangle =
  • (i)
    73.71 sq.cm
  • (ii)
    67.71 sq.cm
  • (iii)
    75.71 sq.cm
  • (iv)
    65.71 sq.cm
  • (v)
    70.71 sq.cm
Question 13
13.
In an isosceles triangle △ABC, if BC = 20 cm, CA = AB and perimeter is 52 cm, then area of the triangle =
  • (i)
    141.90 sq.cm
  • (ii)
    106.90 sq.cm
  • (iii)
    124.90 sq.cm
  • (iv)
    107.90 sq.cm
  • (v)
    138.90 sq.cm
Question 14
14.
In a right angled triangle △PQR, if QR = 15 cm, PQ = 10 cm are the lengths of perpendicular sides , then area of the triangle =
  • (i)
    70.00 sq.cm
  • (ii)
    78.00 sq.cm
  • (iii)
    80.00 sq.cm
  • (iv)
    75.00 sq.cm
  • (v)
    72.00 sq.cm
Question 15
15.
In a right angled triangle △PQR, if the base QR = 13 cm and the corresponding height is 11 cm, then perimeter of the triangle =
  • (i)
    38.03 cm
  • (ii)
    44.03 cm
  • (iii)
    41.03 cm
  • (iv)
    36.03 cm
  • (v)
    46.03 cm
Question 16
16.
In a right angled triangle △PQR, if the base QR = 17 cm and the corresponding height is 15 cm, then area of the triangle =
  • (i)
    150.50 sq.cm
  • (ii)
    115.50 sq.cm
  • (iii)
    100.50 sq.cm
  • (iv)
    129.50 sq.cm
  • (v)
    127.50 sq.cm
Question 17
17.
In △PQR, if QR = 20 cm, RP = 15 cm and the corresponding height of side QR = 11.83 cm, then corresponding height of side RP =
  • (i)
    10.77 cm
  • (ii)
    12.77 cm
  • (iii)
    15.77 cm
  • (iv)
    18.77 cm
  • (v)
    20.77 cm
Question 18
18.
In △PQR, if base QR = 20 cm and the corresponding height of side QR = 11.71 cm, then area of the triangle =
  • (i)
    117.09 sq.cm
  • (ii)
    122.09 sq.cm
  • (iii)
    94.09 sq.cm
  • (iv)
    133.09 sq.cm
  • (v)
    109.09 sq.cm
Question 19
19.
In △PQR, if corresponding height of side QR = 10 cm and area of the triangle = 69.98 sq.cm, then side QR =
  • (i)
    14.00 cm
  • (ii)
    9.00 cm
  • (iii)
    17.00 cm
  • (iv)
    11.00 cm
  • (v)
    19.00 cm
Question 20
20.
If perimeter of an equilateral triangle 36 cm, the side of the equilateral triangle =
  • (i)
    12.00 cm
  • (ii)
    15.00 cm
  • (iii)
    9.00 cm
  • (iv)
    7.00 cm
  • (v)
    17.00 cm
Question 21
21.
If perimeter of an equilateral triangle 51 cm, the height of the equilateral triangle =
  • (i)
    14.72 cm
  • (ii)
    19.72 cm
  • (iii)
    9.72 cm
  • (iv)
    11.72 cm
  • (v)
    17.72 cm
Question 22
22.
If height of an equilateral triangle is 8.66 cm, the side of the equilateral triangle =
  • (i)
    7.00 cm
  • (ii)
    13.00 cm
  • (iii)
    15.00 cm
  • (iv)
    5.00 cm
  • (v)
    10.00 cm
Question 23
23.
If height of an equilateral triangle is 13.86 cm, the perimeter of the equilateral triangle =
  • (i)
    51.00 cm
  • (ii)
    48.00 cm
  • (iii)
    43.00 cm
  • (iv)
    53.00 cm
  • (v)
    45.00 cm
Question 24
24.
In an isosceles triangle △ABC, if BC = 11 cm, AB = CA = 10 cm, then corresponding height of side BC =
  • (i)
    10.35 cm
  • (ii)
    8.35 cm
  • (iii)
    9.35 cm
  • (iv)
    7.35 cm
  • (v)
    6.35 cm
Question 25
25.
In an isosceles triangle △ABC, if BC = 15 cm, CA = AB and perimeter is 53 cm, then side AB =
  • (i)
    22.00 cm
  • (ii)
    24.00 cm
  • (iii)
    19.00 cm
  • (iv)
    14.00 cm
  • (v)
    16.00 cm
Question 26
26.
In an isosceles triangle △ABC, if base BC = 16 cm and the corresponding height is 8.94 cm, then area of the triangle =
  • (i)
    74.55 sq.cm
  • (ii)
    76.55 sq.cm
  • (iii)
    68.55 sq.cm
  • (iv)
    66.55 sq.cm
  • (v)
    71.55 sq.cm
Question 27
27.
In a right angled triangle △PQR, if QR = 20 cm, PQ = 11 cm are the lengths of perpendicular sides , then corresponding height of side QR =
  • (i)
    6.00 cm
  • (ii)
    14.00 cm
  • (iii)
    11.00 cm
  • (iv)
    16.00 cm
  • (v)
    8.00 cm
Question 28
28.
In a right angled triangle △PQR, if QR = 13 cm, PQ = 20 cm are the lengths of perpendicular sides , then corresponding height of side RP =
  • (i)
    15.90 cm
  • (ii)
    7.90 cm
  • (iii)
    5.90 cm
  • (iv)
    10.90 cm
  • (v)
    13.90 cm
    Assignment Key

  •  1) (i)
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  •  3) (iii)
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  •  5) (i)
  •  6) (ii)
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  •  8) (iii)
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  •  10) (v)
  •  11) (v)
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  •  22) (v)
  •  23) (ii)
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  •  25) (iii)
  •  26) (v)
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  •  28) (iv)