Victoria15
Answered

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What is the approximate distance around the half circle with radius 12 centimeters?

A.
18.8 centimeters

B.
37.7 centimeters

C.
75.4 centimeters

D.
150.7 centimeters

Sagot :

You can find the perimeter of a circle by using the radius.
circumference = 2 [tex] \pi r[/tex]
Circumference = 2 [tex] \pi x 12[/tex]
circumference = 24 pi
Since you are only trying to find half of the circle you would divide your answer by 2 

24pi / 2 = 12 pi

12 pi = 37.68

The answer is B. 37.7
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