EduSahara™ Assignment
Name : Perimeter and Area of Complex Shaped Figures
Chapter : Perimeter and Area of Plane Figures
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
In the given figure, a circle is inscribed touching the sides of an equilateral triangle of side 23 cm. Find the area of the shaded region
(i)
90.52 sq.cm
(ii)
93.52 sq.cm
(iii)
95.52 sq.cm
(iv)
87.52 sq.cm
(v)
85.52 sq.cm
Question
2
2.
In the given figure, the circle circumscribes a rectangle with sides 17.00 cm and 11.00 cm. Find the area of the remaining portion other than the rectangle
(i)
163.14 sq.cm
(ii)
135.14 sq.cm
(iii)
112.14 sq.cm
(iv)
130.14 sq.cm
(v)
143.14 sq.cm
Question
3
3.
In the given figure ,PQRS is the diameter of the circle of radius 12.00 cm and PQ = QR = RS. Find the area of the shaded region
(i)
316.71 sq.cm
(ii)
301.71 sq.cm
(iii)
283.71 sq.cm
(iv)
318.71 sq.cm
Question
4
4.
In the given figure ,PQRS is the diameter of the circle of radius 15.00 cm and PQ = QR = RS. Find the perimeter of the shaded region
(i)
97.29 cm
(ii)
94.29 cm
(iii)
91.29 cm
(iv)
99.29 cm
(v)
89.29 cm
Question
5
5.
In the given figure , ABCD is a trapezium. A quarter circle AEFD is removed from the trapezium. If AD = CD = 19 and EB = 4.3 , find the area of the remaining portion
(i)
126.21 sq.cm
(ii)
112.21 sq.cm
(iii)
104.21 sq.cm
(iv)
141.21 sq.cm
(v)
118.21 sq.cm
Question
6
6.
In the given figure, ABCD is a square of side 17.00 cm . At the centre there is a circle with radius 4.25 cm and the same circle quadrants are at the four corners. Find the area of the shaded region.
(i)
157.46 sq.cm
(ii)
188.46 sq.cm
(iii)
175.46 sq.cm
(iv)
199.46 sq.cm
(v)
159.46 sq.cm
Question
7
7.
In the given figure, ABCD is a square of side 12.00 cm . At the centre there is a circle with radius 3.00 cm and the same circle quadrants are at the four corners. Find the perimeter of the shaded region.
(i)
61.71 cm
(ii)
64.71 cm
(iii)
66.71 cm
(iv)
56.71 cm
(v)
58.71 cm
Question
8
8.
In the given figure, ABCD is a square of side 11.00 cm and A, B, C, D are the centres of circular arcs, each of radius 5.50 cm. Find the area of the shaded region
(i)
28.93 sq.cm
(ii)
22.93 sq.cm
(iii)
20.93 sq.cm
(iv)
30.93 sq.cm
(v)
25.93 sq.cm
Question
9
9.
In the given figure, ABCD is a square of side 14.00 cm and A, B, C, D are centres of circles which touch externally in pairs. Find the area of the shaded region
(i)
641.00 sq.cm
(ii)
635.00 sq.cm
(iii)
686.00 sq.cm
(iv)
663.00 sq.cm
(v)
658.00 sq.cm
Question
10
10.
In the given figure, BC = 9 cm and AB = 7 cm. Find the area of the shaded region
(i)
73.64 sq.cm
(ii)
75.64 sq.cm
(iii)
70.64 sq.cm
(iv)
67.64 sq.cm
(v)
65.64 sq.cm
Question
11
11.
In the given figure, BC = 13 cm and AB = 11 cm. Find the perimeter of the shaded region
(i)
91.55 cm
(ii)
89.55 cm
(iii)
97.55 cm
(iv)
94.55 cm
(v)
99.55 cm
Question
12
12.
In the below figure, AB is the diameter of a circle with center O and OA = 12.00 cm . Find the area of the shaded region
(i)
223.43 sq.cm
(ii)
179.43 sq.cm
(iii)
188.43 sq.cm
(iv)
199.43 sq.cm
(v)
195.43 sq.cm
Question
13
13.
In the below figure, two circles with centers O and A touch internally at B. If OB = 18.00 cm and OA = 12.6 cm, find the area of the unshaded region
(i)
944.64 sq.cm
(ii)
926.64 sq.cm
(iii)
910.64 sq.cm
(iv)
931.64 sq.cm
Question
14
14.
In the below figure, BPQA is a quadrant of a circle. AB = 19.00 cm and BC = 11 cm . Find the area of the shaded region
(i)
202.14 sq.cm
(ii)
195.14 sq.cm
(iii)
161.14 sq.cm
(iv)
157.14 sq.cm
(v)
179.14 sq.cm
Question
15
15.
In the below figure, BCPA is a quadrant of a circle. BC = 13.00 cm and CQA is a semicircle with CA as the diameter. Find the area of the shaded region
(i)
84.50 sq.cm
(ii)
81.50 sq.cm
(iii)
87.50 sq.cm
(iv)
79.50 sq.cm
(v)
89.50 sq.cm
Question
16
16.
In the given figure, the triangle inside the square is an isosceles triangle. Find the area of the shaded region
(i)
198.50 sq.cm
(ii)
173.50 sq.cm
(iii)
158.50 sq.cm
(iv)
180.50 sq.cm
(v)
206.50 sq.cm
Question
17
17.
In the given figure, find the area of the shaded region
(i)
173.00 sq.cm
(ii)
148.00 sq.cm
(iii)
166.00 sq.cm
(iv)
160.00 sq.cm
(v)
145.00 sq.cm
Question
18
18.
In the given figure, find the area of the shaded region
(i)
308.00 sq.cm
(ii)
328.00 sq.cm
(iii)
336.00 sq.cm
(iv)
341.00 sq.cm
(v)
350.00 sq.cm
Question
19
19.
In the given figure, d = 15.00 cm is the diameter of the semi-circles. Find the area of the shaded region
(i)
331.57 sq.cm
(ii)
346.57 sq.cm
(iii)
365.57 sq.cm
(iv)
358.57 sq.cm
(v)
353.57 sq.cm
Question
20
20.
In the given figure, find the area of the shaded region
(i)
217.71 sq.cm
(ii)
257.71 sq.cm
(iii)
251.71 sq.cm
(iv)
235.71 sq.cm
(v)
220.71 sq.cm
Question
21
21.
The given figure consists of four small semi-circles of equal radii and two big semi-circles of equal radii. The radius of each big semi-circle is 8.00 cm which is the same as the diameter of the small semi-circle. Find the area of the shaded region
(i)
201.14 sq.cm
(ii)
195.14 sq.cm
(iii)
226.14 sq.cm
(iv)
189.14 sq.cm
(v)
208.14 sq.cm
Question
22
22.
The given figure consists of two quarter circles each of radius 14.00 cm and four semi-circles each of radius 7.00 cm. Find the area of the shaded region
(i)
282.00 sq.cm
(ii)
308.00 sq.cm
(iii)
323.00 sq.cm
(iv)
321.00 sq.cm
(v)
302.00 sq.cm
Question
23
23.
Find the area of the shaded region
(i)
64.43 sq.cm
(ii)
69.43 sq.cm
(iii)
66.43 sq.cm
(iv)
74.43 sq.cm
(v)
72.43 sq.cm
Question
24
24.
Find the area of the shaded region
(i)
73.00 sq.cm
(ii)
75.00 sq.cm
(iii)
70.00 sq.cm
(iv)
65.00 sq.cm
(v)
67.00 sq.cm
Question
25
25.
In the given figure, BC = 4.00 cm. Find the area of the shaded region
(i)
216.57 sq.cm
(ii)
165.57 sq.cm
(iii)
188.57 sq.cm
(iv)
202.57 sq.cm
(v)
183.57 sq.cm
Question
26
26.
In the given figure △ABC is an equilateral triangle whose area is 62.35 sq.cm. With each vertex of the triangle as center, a circle is drawn with radius equal to half the length of the side of the triangle . Find the area of the shaded region
(i)
6.78 sq.cm
(ii)
5.78 sq.cm
(iii)
3.78 sq.cm
(iv)
7.78 sq.cm
(v)
4.78 sq.cm
Question
27
27.
In the given figure, ABCD is a square with side 13.00 cm. Find the area of the shaded region
(i)
96.57 sq.cm
(ii)
101.57 sq.cm
(iii)
93.57 sq.cm
(iv)
99.57 sq.cm
(v)
91.57 sq.cm
Question
28
28.
Find the area of the shaded region in the given figure common between the two quadrants of circles of radius 20.00 cm each
(i)
252.57 sq.cm
(ii)
201.57 sq.cm
(iii)
226.57 sq.cm
(iv)
236.57 sq.cm
(v)
228.57 sq.cm
Assignment Key
1) (i)
2) (ii)
3) (ii)
4) (ii)
5) (v)
6) (iii)
7) (i)
8) (v)
9) (v)
10) (iii)
11) (iv)
12) (v)
13) (ii)
14) (v)
15) (i)
16) (iv)
17) (iv)
18) (iii)
19) (v)
20) (iv)
21) (i)
22) (ii)
23) (ii)
24) (iii)
25) (iii)
26) (ii)
27) (i)
28) (v)