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Help asap --=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Help asap --=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--example-1
User Martijn Hiemstra
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1 Answer

0 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

User Donohoe
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6.8k points
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