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Standard VII
Maths
Perimeter and Area of a Circle
Question
Find the area of a circle whose radius is $$3.5\,m$$
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Solution
Verified by Toppr
Given, radius $$r = 3.5 \,m$$ and $$\pi = \dfrac{22} {7}$$
Then,
Area of the circle $$= \pi r^2$$ sq units
$$= \dfrac{22}{7} \times 3.5 \times 3.5$$
$$= 22 \times 0.5 \times 3.5$$
$$= 38.5 \,m^2$$
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