How to Find the Perimeter of a Half Circle? | TIRLA ACADEMY

UTPAL SHARMA
The perimeter of the semicircle(half circle) = 𝜋r
The perimeter of a closed semicircle(half circle) = 𝜋r+d
where 𝜋 = 22/7 or 3.14, r = radius of circle, d = diameter of circle.

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