From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet. (Takeπ = 3.14)

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Solution

Outer radius of circular sheet = 4 cm

Inner radius of circular sheet = 3 cm

Remaining area = 3.14 × 4 × 4 − 3.14 × 3 × 3

= 50.24 − 28.26

= 21.98 cm²

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From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet $(T a k e π = 3.14)$

From a circular sheet of radius 4 centimetre, a circle of radius 3 cm is removed find the area of the remaining sheet. $[π = \frac{22}{7}]$ .

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