Help asap please!!!!

asked Apr 2, 2022 60.4k views

1 vote

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3 votes

Answer:

9 pi

Explanation:

First find the circumference of the circle

C =2 * pi *r

C = 2 * pi *9

C = 18 pi

This is a semicircle which is 1/2 of a circle

Take 1/2 of the circumference

1/2 C = 1/2 ( 18 pi)

1/2 C = 9 pi

Oleg Zhylin answered Apr 6, 2022

5.6k points

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