EduSahara™ Assignment
Name : Perimeter and Area of Triangles
Chapter : Perimeter and Area of Plane Figures
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
In △PQR, if QR = 15 cm, RP = 16 cm, PQ = 19 cm, then perimeter of the triangle =
  • (i)
    47.00 cm
  • (ii)
    53.00 cm
  • (iii)
    50.00 cm
  • (iv)
    55.00 cm
  • (v)
    45.00 cm
Question 2
2.
In △PQR, if QR = 18 cm, RP = 16 cm, PQ = 18 cm, then area of the triangle =
  • (i)
    141.00 sq.cm
  • (ii)
    113.00 sq.cm
  • (iii)
    102.00 sq.cm
  • (iv)
    153.00 sq.cm
  • (v)
    129.00 sq.cm
Question 3
3.
In △PQR, if QR = 15 cm, RP = 16 cm and perimeter = 45 cm, then area of the triangle =
  • (i)
    93.56 sq.cm
  • (ii)
    96.56 sq.cm
  • (iii)
    91.56 sq.cm
  • (iv)
    99.56 sq.cm
  • (v)
    101.56 sq.cm
Question 4
4.
In △PQR, if base QR = 12 cm and the corresponding height of side QR = 14.24 cm, then area of the triangle =
  • (i)
    90.45 sq.cm
  • (ii)
    80.45 sq.cm
  • (iii)
    88.45 sq.cm
  • (iv)
    85.45 sq.cm
  • (v)
    82.45 sq.cm
Question 5
5.
If the side of an equilateral triangle is 19 cm, the perimeter of the equilateral triangle =
  • (i)
    60.00 cm
  • (ii)
    54.00 cm
  • (iii)
    62.00 cm
  • (iv)
    57.00 cm
  • (v)
    52.00 cm
Question 6
6.
If area of an equilateral triangle is 43.3 sq.cm, the perimeter of the equilateral triangle =
  • (i)
    33.00 cm
  • (ii)
    25.00 cm
  • (iii)
    35.00 cm
  • (iv)
    27.00 cm
  • (v)
    30.00 cm
Question 7
7.
If perimeter of an equilateral triangle 48 cm, the area of the equilateral triangle =
  • (i)
    94.85 sq.cm
  • (ii)
    110.85 sq.cm
  • (iii)
    123.85 sq.cm
  • (iv)
    95.85 sq.cm
  • (v)
    114.85 sq.cm
Question 8
8.
If height of an equilateral triangle is 12.12 cm, the perimeter of the equilateral triangle =
  • (i)
    37.00 cm
  • (ii)
    45.00 cm
  • (iii)
    42.00 cm
  • (iv)
    47.00 cm
  • (v)
    39.00 cm
Question 9
9.
If height of an equilateral triangle is 9.53 cm, the area of the equilateral triangle =
  • (i)
    47.39 sq.cm
  • (ii)
    55.39 sq.cm
  • (iii)
    57.39 sq.cm
  • (iv)
    49.39 sq.cm
  • (v)
    52.39 sq.cm
Question 10
10.
In an isosceles triangle △ABC, if BC = 14 cm, AB = CA = 10 cm, then perimeter of the triangle =
  • (i)
    39.00 cm
  • (ii)
    31.00 cm
  • (iii)
    29.00 cm
  • (iv)
    37.00 cm
  • (v)
    34.00 cm
Question 11
11.
In an isosceles triangle △ABC, if BC = 18 cm, AB = CA = 12 cm, then area of the triangle =
  • (i)
    74.44 sq.cm
  • (ii)
    68.44 sq.cm
  • (iii)
    76.44 sq.cm
  • (iv)
    71.44 sq.cm
  • (v)
    66.44 sq.cm
Question 12
12.
In an isosceles triangle △ABC, if BC = 14 cm, CA = AB and perimeter is 38 cm, then area of the triangle =
  • (i)
    71.23 sq.cm
  • (ii)
    65.23 sq.cm
  • (iii)
    68.23 sq.cm
  • (iv)
    73.23 sq.cm
  • (v)
    63.23 sq.cm
Question 13
13.
In an isosceles triangle △ABC, if base BC = 20 cm and the corresponding height is 6.63 cm, then perimeter of the triangle =
  • (i)
    49.00 cm
  • (ii)
    41.00 cm
  • (iii)
    44.00 cm
  • (iv)
    39.00 cm
  • (v)
    47.00 cm
Question 14
14.
In an isosceles triangle △ABC, if base BC = 16 cm and the corresponding height is 10.25 cm, then area of the triangle =
  • (i)
    81.98 sq.cm
  • (ii)
    78.98 sq.cm
  • (iii)
    86.98 sq.cm
  • (iv)
    84.98 sq.cm
  • (v)
    76.98 sq.cm
Question 15
15.
In an isosceles triangle △ABC, if base BC = 13 cm and area is 57.68 sq.cm, then perimeter of the triangle =
  • (i)
    32.00 cm
  • (ii)
    40.00 cm
  • (iii)
    35.00 cm
  • (iv)
    30.00 cm
  • (v)
    38.00 cm
Question 16
16.
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)
    80.00 sq.cm
  • (iii)
    78.00 sq.cm
  • (iv)
    75.00 sq.cm
  • (v)
    72.00 sq.cm
Question 17
17.
In a right angled triangle △PQR, if the base QR = 17 cm and the corresponding height is 11 cm, then area of the triangle =
  • (i)
    88.50 sq.cm
  • (ii)
    98.50 sq.cm
  • (iii)
    96.50 sq.cm
  • (iv)
    93.50 sq.cm
  • (v)
    90.50 sq.cm
Question 18
18.
In an isosceles right angled triangle △PQR, if QR = 15 cm is one of the equal sides, then perimeter of the triangle =
  • (i)
    51.21 cm
  • (ii)
    46.21 cm
  • (iii)
    56.21 cm
  • (iv)
    48.21 cm
  • (v)
    54.21 cm
Question 19
19.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 10 cm, then perimeter of the triangle =
  • (i)
    29.14 cm
  • (ii)
    31.14 cm
  • (iii)
    39.14 cm
  • (iv)
    37.14 cm
  • (v)
    34.14 cm
Question 20
20.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 19 cm, then area of the triangle =
  • (i)
    157.50 sq.cm
  • (ii)
    182.50 sq.cm
  • (iii)
    205.50 sq.cm
  • (iv)
    163.50 sq.cm
  • (v)
    180.50 sq.cm
    Assignment Key

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