Question

Find the area of semi circle whose radius is 7cm

Answer 1

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Given,

r = 7 cm

Area of semicircle = πr²/2

$= \frac{22}{7} \times 7 \times 7 \times \frac{1}{2} \\ = 11 \times 7 \\ = 77 {cm}^{2}$

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Answer 2

Step-by-step explanation:

r=7

Area of Semi-circles= πr^2/2

=22/7 x. 49 /2 = 77 cm square

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