A semi- circle has an area of 35cm . What is its diameter?

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A semi- circle has an area of 35cm . What is its diameter?
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1 Answer

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Area Semicircle = 1/2 πr²

where

r radius of semicircle

→ ½ * 22/7 * r² = 35

→ 11/7 * r² = 35

→ r² = 35*7/11

→ r² = 245/11

→ r² = 22.77

→ r = √22.77

→ r = 4.77

Therefore,

Diameter =2*4.77

=9.54cm
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