Find the arc length of the semicircle with a radius of 4

asked Jan 1, 2023 198k views

2 votes

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5 votes

Answer:
$4\pi$

Explanation:

The circumference of the entire circle is
$(4)(2\pi)=8\pi$

So, the arc length of the semicircle is half of this -
$4\pi$ .

Timmah answered Jan 5, 2023

8.4k points

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