Question

Write the formula of perimeter of a semicircle.
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Answer 1

Answer:

The perimeter of a semicircle is the sum of the half of the circumference of the circle and diameter. As the perimeter of a circle is 2πr or πd. So, the perimeter of a semicircle is 1/2 (πd) + d or πr + 2r, where r is the radius.

Answer 2

Answer:

1/2(πd) +d or πr +2r , where r is the radius...

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