ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Perimeter and Area of Plane Figures
Question 1
1.
    • In the given figure, CDEF is a rectangle in which CD = 17 cm and FC = 28 cm.
    • Also, △TEF is a right angled triangle in which ∠FTE = 90° and TE = 14 cm
    • Find the area of the shaded region
  • 406.49 sq.cm
  • 407.49 sq.cm
  • 408.49 sq.cm
  • 409.49 sq.cm
  • 410.49 sq.cm
Question 2
2.
If area of an equilateral triangle is 125.14 sq.cm, the height of the equilateral triangle =
  • 11.72 cm
  • 9.72 cm
  • 14.72 cm
  • 19.72 cm
  • 17.72 cm
Question 3
3.
In the given figure, ABCD is a square of side 19.00 cm and A, B, C, D are the centres of circular arcs, each of radius 9.50 cm. Find the area of the shaded region
  • 77.36 sq.cm
  • 82.36 sq.cm
  • 72.36 sq.cm
  • 74.36 sq.cm
  • 80.36 sq.cm
Question 4
4.
If the outer and inner sides of a square path are 9.00 cm and 8.00 cm respectively, the width of the square path =
  • 2.50 cm
  • 7.50 cm
  • 8.50 cm
  • 0.50 cm
  • 1.50 cm
Question 5
5.
In a right angled triangle △PQR, if the base QR = 19 cm and the corresponding height is 16 cm, then side RP =
  • 24.84 cm
  • 19.84 cm
  • 29.84 cm
  • 27.84 cm
  • 21.84 cm
Question 6
6.
In an isosceles right angled triangle △PQR, if perimeter = 51.21 cm, then area of the triangle =
  • 112.50 sq.cm
  • 85.50 sq.cm
  • 130.50 sq.cm
  • 128.50 sq.cm
  • 106.50 sq.cm
Question 7
7.
If the width of the ring is 4.00 cm and inner radius is 5.00 cm, the outer circle radius is
  • 9.00 cm
  • 7.00 cm
  • 8.00 cm
  • 10.00 cm
  • 11.00 cm
Question 8
8.
In an isosceles triangle △ABC, if base BC = 12 cm and the corresponding height is 8 cm, then corresponding height of side AB =
  • 7.60 cm
  • 10.60 cm
  • 8.60 cm
  • 9.60 cm
  • 11.60 cm
Question 9
9.
In an isosceles right angled triangle △PQR, if area = 72 sq.cm, then corresponding height of side RP =
  • 7.49 cm
  • 10.49 cm
  • 9.49 cm
  • 8.49 cm
  • 6.49 cm
Question 10
10.
    • In the given figure, CDEF is a rectangle in which CD = 12 cm and FC = 25 cm.
    • Also, △QCD and △REF are the right angled triangles in which ∠DQC = ∠FRE = 90°, QC = 7 cm and RE = 7 cm.
    • Find the area of the shaded region
  • 230.77 sq.cm
  • 231.77 sq.cm
  • 229.77 sq.cm
  • 233.77 sq.cm
  • 232.77 sq.cm