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 = 11 cm, RP = 15 cm, PQ = 18 cm, then perimeter of the triangle =
  • (i)
    49.00 cm
  • (ii)
    41.00 cm
  • (iii)
    44.00 cm
  • (iv)
    47.00 cm
  • (v)
    39.00 cm
Question 2
2.
In △PQR, if QR = 12 cm, RP = 13 cm, PQ = 17 cm, then area of the triangle =
  • (i)
    72.77 sq.cm
  • (ii)
    77.77 sq.cm
  • (iii)
    74.77 sq.cm
  • (iv)
    82.77 sq.cm
  • (v)
    80.77 sq.cm
Question 3
3.
In △PQR, if QR = 10 cm, RP = 17 cm and perimeter = 40 cm, then area of the triangle =
  • (i)
    61.81 sq.cm
  • (ii)
    69.81 sq.cm
  • (iii)
    64.81 sq.cm
  • (iv)
    67.81 sq.cm
  • (v)
    59.81 sq.cm
Question 4
4.
In △PQR, if base QR = 18 cm and the corresponding height of side QR = 11.63 cm, then area of the triangle =
  • (i)
    122.63 sq.cm
  • (ii)
    96.63 sq.cm
  • (iii)
    104.63 sq.cm
  • (iv)
    121.63 sq.cm
  • (v)
    79.63 sq.cm
Question 5
5.
If the side of an equilateral triangle is 16 cm, the perimeter of the equilateral triangle =
  • (i)
    43.00 cm
  • (ii)
    45.00 cm
  • (iii)
    51.00 cm
  • (iv)
    48.00 cm
  • (v)
    53.00 cm
Question 6
6.
If area of an equilateral triangle is 84.87 sq.cm, the perimeter of the equilateral triangle =
  • (i)
    45.00 cm
  • (ii)
    37.00 cm
  • (iii)
    39.00 cm
  • (iv)
    42.00 cm
  • (v)
    47.00 cm
Question 7
7.
If perimeter of an equilateral triangle 42 cm, the area of the equilateral triangle =
  • (i)
    89.87 sq.cm
  • (ii)
    84.87 sq.cm
  • (iii)
    87.87 sq.cm
  • (iv)
    81.87 sq.cm
  • (v)
    79.87 sq.cm
Question 8
8.
If height of an equilateral triangle is 11.26 cm, the perimeter of the equilateral triangle =
  • (i)
    34.00 cm
  • (ii)
    39.00 cm
  • (iii)
    42.00 cm
  • (iv)
    36.00 cm
  • (v)
    44.00 cm
Question 9
9.
If height of an equilateral triangle is 14.72 cm, the area of the equilateral triangle =
  • (i)
    109.14 sq.cm
  • (ii)
    108.14 sq.cm
  • (iii)
    125.14 sq.cm
  • (iv)
    142.14 sq.cm
  • (v)
    140.14 sq.cm
Question 10
10.
In an isosceles triangle △ABC, if BC = 11 cm, AB = CA = 14 cm, then perimeter of the triangle =
  • (i)
    39.00 cm
  • (ii)
    42.00 cm
  • (iii)
    34.00 cm
  • (iv)
    36.00 cm
  • (v)
    44.00 cm
Question 11
11.
In an isosceles triangle △ABC, if BC = 10 cm, AB = CA = 18 cm, then area of the triangle =
  • (i)
    86.46 sq.cm
  • (ii)
    83.46 sq.cm
  • (iii)
    91.46 sq.cm
  • (iv)
    81.46 sq.cm
  • (v)
    89.46 sq.cm
Question 12
12.
In an isosceles triangle △ABC, if BC = 11 cm, CA = AB and perimeter is 39 cm, then area of the triangle =
  • (i)
    75.81 sq.cm
  • (ii)
    70.81 sq.cm
  • (iii)
    65.81 sq.cm
  • (iv)
    73.81 sq.cm
  • (v)
    67.81 sq.cm
Question 13
13.
In an isosceles triangle △ABC, if base BC = 15 cm and the corresponding height is 6.61 cm, then perimeter of the triangle =
  • (i)
    38.00 cm
  • (ii)
    30.00 cm
  • (iii)
    40.00 cm
  • (iv)
    35.00 cm
  • (v)
    32.00 cm
Question 14
14.
In an isosceles triangle △ABC, if base BC = 10 cm and the corresponding height is 14.14 cm, then area of the triangle =
  • (i)
    70.71 sq.cm
  • (ii)
    75.71 sq.cm
  • (iii)
    67.71 sq.cm
  • (iv)
    73.71 sq.cm
  • (v)
    65.71 sq.cm
Question 15
15.
In an isosceles triangle △ABC, if base BC = 11 cm and area is 58.66 sq.cm, then perimeter of the triangle =
  • (i)
    30.00 cm
  • (ii)
    32.00 cm
  • (iii)
    35.00 cm
  • (iv)
    38.00 cm
  • (v)
    40.00 cm
Question 16
16.
In a right angled triangle △PQR, if QR = 14 cm, PQ = 10 cm are the lengths of perpendicular sides , then area of the triangle =
  • (i)
    75.00 sq.cm
  • (ii)
    73.00 sq.cm
  • (iii)
    70.00 sq.cm
  • (iv)
    67.00 sq.cm
  • (v)
    65.00 sq.cm
Question 17
17.
In a right angled triangle △PQR, if the base QR = 18 cm and the corresponding height is 15 cm, then area of the triangle =
  • (i)
    135.00 sq.cm
  • (ii)
    160.00 sq.cm
  • (iii)
    132.00 sq.cm
  • (iv)
    107.00 sq.cm
  • (v)
    143.00 sq.cm
Question 18
18.
In an isosceles right angled triangle △PQR, if QR = 16 cm is one of the equal sides, then perimeter of the triangle =
  • (i)
    49.63 cm
  • (ii)
    54.63 cm
  • (iii)
    51.63 cm
  • (iv)
    57.63 cm
  • (v)
    59.63 cm
Question 19
19.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 13 cm, then perimeter of the triangle =
  • (i)
    39.38 cm
  • (ii)
    49.38 cm
  • (iii)
    47.38 cm
  • (iv)
    41.38 cm
  • (v)
    44.38 cm
Question 20
20.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 11 cm, then area of the triangle =
  • (i)
    57.50 sq.cm
  • (ii)
    63.50 sq.cm
  • (iii)
    55.50 sq.cm
  • (iv)
    60.50 sq.cm
  • (v)
    65.50 sq.cm
    Assignment Key

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