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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
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