CBSE Class 8 Answered
In the figure given below, a circle is inscribed inside another circle. The radius of the outer circle is 12 cm and that of the inner circle is 7 cm. Find the area of the shaded portion between the circles.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Given,
Radius of the outer circle = 12 cm
So, area of the outer circle = r2
= 3.14 x 122
= 452.16 cm2
Radius of the inner circle = 7 cm
Area of the inner circle = r2
= x 72 = 154 cm2
Thus, the required area of the shaded portion
= Area of the outer circle - Area of the inner circle
= 452.16 - 154
= 298.16 cm2
Answered by | 04 Jun, 2014, 03:23: PM
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