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The diameter of a semicircle is 2 millimeters. What is the semicircle's perimeter?
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The diameter of a semicircle is 2 millimeters. What is the semicircle's perimeter?

User Evan Hahn
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1 Answer

1 vote

Answer:

Below

Explanation:

The ENTIRE perimeter of a circle is pi * d

a semi circle circumference is 1/2 of this 1/2 pi * d PLUS the diameter line

1/2 pi * ( 2 mm) + 2mm = 5.14 mm

User Dmitry Fedorkov
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