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kirza4 [7]
3 years ago
11

If the perimeter of the semicircle is 10.28mm. What is the semicircles radius?

Mathematics
1 answer:
Stella [2.4K]3 years ago
6 0
The formula for a circle’s circumference (circle’s unique perimeter) is pi * diameter.

However, since we have a semicircle (half of the circle), our formula would 1/2 * pi * diameter, or just pi * radius.

Set up an equation and solve.

10.28 = pi * radius.

r = (10.28)/pi
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3 0
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Read 2 more answers
Can someone explain how to do this?
Tems11 [23]
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------------------- =       
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