![]() The perimeter of a semicircle is not half of a full circle perimeter. How to Find the Perimeter of a Semicircle? Hence, the area of the semicircle = πR 2/ 2 square units. It is the exact half of the area of a circle, which is πR 2, where R is the length of the radius of the circle. The area of a semicircle is the region within the boundary of the semicircle. Some of the real-life examples of a semicircle are the shape of a protractor, the shape of a round paper folded in half, etc. ![]() We can create two semi-circles from any circle. ![]() It is a 2D shape formed when a circle is cut into two equal parts.
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