Asked by Anonymous
The diameter of a semicircle is 12.2 inches. What is the semicircle's perimeter? Use 3.14 for 𝜋 and round your answer to the nearest hundredth.
Answers
Answered by
mathhelper
Perimeter of semicircle = (1/2)circumference + diameter , where circumference = π d
= (1/2)π (12.2) + 12.2
= 6.1π + 12.2
= ...
I will let you do the arithmetic
= (1/2)π (12.2) + 12.2
= 6.1π + 12.2
= ...
I will let you do the arithmetic
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