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Area of a Circle

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Question

Find the total area of circle with radius 7 ft?
$[Take 𝛑= \frac{22}{7}]$

A

22 sq. ft

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B

49 sq. ft

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C

38.5 sq. ft

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D

154 sq. ft

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Solution

The correct option is D 154 sq. ft
Given :
Radius(r) = 7 ft

$Area of circle = 𝛑 r^{2}$

$= \frac{22}{7} \times 7 \times 7$

$= 154 s q . f t$

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