4 years ago

HELP ASAP! GIVING BRAINLIEST!!

Mathematics

1 answer:

IrinaK [193]4 years ago

8 0

Answer:

C) 7 pi

Step-by-step explanation:

Arc length is circumference

C = 2 * pi *r

C = 2*pi*7

C=14pi

A circle is 360 degrees. This arc is 180 degrees.

180/360 = 1/2

The arc is 1/2 the circle, so it is 1/2 the circumference

1/2C = 1/2 (14pi)

arc = 7 pi

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