Question

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ڈے
12
Find the arc length of the semicircle.
Either enter an exact answer in terms of π or use 3.14 for π and enter your answer as a decimal.
units

Answer 1

The arc length of the semicircle is half the circumference

Answer 2

`6\pi`

Explanation:

The circumference of a circle is

`12\pi`

The arc length of the semicircle is half the circumference of such a circle, so the answer is

`(1)/(2)(12\pi)=6\pi`