Perimeter of a Semicircle CBSE 10th Maths Concept Note in Detail

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The complete length of a semicircle's boundary is defined as its perimeter, also known as the circumference of a semicircle.

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It's computed by multiplying the diameter by half of the original circle's circumference.

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The unit of the perimeter of a circle is expressed in linear units like "inches", "feet", "meters","centimeters" etc.

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- A semicircle's circumference is half that of a circle's circumference. - It's the circumference of the arc that makes a semicircle. - It does not mention the diameter's length.

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Circumference of circle = 2πr.

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Find Perimeter of a semicircle with radius of 2cm.

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