what is perimeter of circle
what is perimeter of semicircle
formulas of these
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Perimeter of Circle is the length of boundry of cirlcle. It is equal to 2 × π × r^2
Perimeter of semicirle is the length of arc of the Semicirle. Usually, we don't consider diametre included in the semi circle.
So its formula is π × r^2.
Perimeter of semicirle is the length of arc of the Semicirle. Usually, we don't consider diametre included in the semi circle.
So its formula is π × r^2.
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Perimeter of circle :- 2 π r
perimeter of semicircle :- 2πr/2 = π r
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