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

Question

Mathematics

Answered

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 :

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TheSilentBunnyid TheSilentBunnyid · Answer 1

TheSilentBunnyid TheSilentBunnyid

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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