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At a school carnival, the diameter of the mat of a trampoline is 12 feet and the diameter of its metal frame is 14 feet. What is the length, in feet, of the metal frame that surrounds the trampoline? Use 3.14 for π and round your answer to the nearest tenth
37.7
44.0
75.4
87.9



Answer :

iGreen
Find the circumference of the metal frame?

C = pi * d

Where 'd' is the diameter.

In this case, the diameter is 14, because that is the given information from the question.

Plug it in along with 3.14 for pi:

C = 3.14 * 14

C = 43.96

So it's approximately 44
Insidious

To answer this question, you have to find the circumference of the metal frame. The formula for the circumference of a circle is:
C = pi * d

So, you have to multiply pi which is 3.14 with the diameter
C = 3.14 * 14

If you do this the circumference of the circle will be 43.96 feet
C = 43.96


Hope it helps:)


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