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ICSE Grade VIII - Perimeter and Area of Plane Figures
Question
1
1.
If the outer radius of the ring is 9.00 cm and area of the ring is 53.43 sq.cm, the width of the ring is
9.00 cm
0.00 cm
2.00 cm
3.00 cm
1.00 cm
Question
2
2.
Find the perimeter of the shaded region given below
152.00 m
166.00 m
140.00 m
178.00 m
183.00 m
Question
3
3.
If height of an equilateral triangle is 17.32 cm, the side of the equilateral triangle =
23.00 cm
20.00 cm
15.00 cm
25.00 cm
17.00 cm
Question
4
4.
In the given figure, arcs of two concentric circles of radii 13.00 cm and 5.20 cm are drawn with center O. If ∠LOM = 90°, find the area of the shaded region
116.54 sq.cm
88.54 sq.cm
135.54 sq.cm
99.54 sq.cm
111.54 sq.cm
Question
5
5.
In the given figure ,PQRS is the diameter of the circle of radius 1.50 cm and PQ = QR = RS. Find the area of the shaded region
2.71 sq.cm
6.71 sq.cm
4.71 sq.cm
3.71 sq.cm
5.71 sq.cm
Question
6
6.
If the breadth and perimeter of a rectangle are 5.00 cm and 26.00 cm respectively, the length of the rectangle =
6.00 cm
8.00 cm
7.00 cm
9.00 cm
10.00 cm
Question
7
7.
In the given figure, the triangle inside the square is an isosceles triangle. Find the area of the shaded region
57.50 sq.cm
65.50 sq.cm
55.50 sq.cm
63.50 sq.cm
60.50 sq.cm
Question
8
8.
In a right angled triangle △PQR, if the base QR = 20 cm and the corresponding height is 17 cm, then area of the triangle =
170.00 sq.cm
153.00 sq.cm
158.00 sq.cm
194.00 sq.cm
183.00 sq.cm
Question
9
9.
A rectangular field is 42 m by 25 m. It has two paths through its centre, running parallel to its sides.
The width of the longer and the shorter paths are 9 m and 16 m respectively.
Find the total expense involved in laying tiles on the paths at ₹20.6 per 1 sq.m and laying grass in the remaining portion at ₹17.3 per 1 sq.m.
₹20256.20
₹20255.20
₹20257.20
₹20259.20
₹20258.20
Question
10
10.
In an isosceles triangle △ABC, if base BC = 20 cm and the corresponding height is 11.18 cm, then corresponding height of side CA =
9.91 cm
11.91 cm
19.91 cm
14.91 cm
17.91 cm
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