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Work out the perimeter of a semicircle with radius 3. give the answer in terms of pi
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Work out the perimeter of a semicircle with radius 3. give the answer in terms of pi

User Mohammad Alaggan
by
7.2k points

1 Answer

4 votes

Answer:

3π

Explanation:

perimeter of a circle = its circumference

circumference of a circle = 2πr

circumference of a semicircle therefore = πr because a semicircle is 1/2 of a circle

the answer would then be 3π

User Alexander Seredenko
by
8.3k points
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