Area of a Semicircle Formula

Half of the circle is called semicircle. The diameter of a circle splits it into two equal halves forming two semicircles. The area of the semicircle formula uses radius of the circle.

Area of a Semi-Circle Formula:

A = (1/2) * π * r2
semicircle


Where,

A = Area of Semicircle
r = Radius

Related Calculator:

The area of the semicircle can be derived from the area of the circle. Half of the circle is semicircle. Hence, half of the area of the circle gives area of the semicircle.


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