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victus00 [196]
3 years ago
6

What is the circumference of a circle with an area of 16π in²

Mathematics
1 answer:
BabaBlast [244]3 years ago
6 0
Answer: 8pi

--------------------------------------

Explanation:

A = 16pi is the area, which means
A = pi*r^2
16pi = pi*r^2
16 = r^2
r^2 = 16
r = sqrt(16)
r = 4 
is the radius

Use this to find the circumference C
C = 2*pi*r
C = 2*pi*4
C = 8pi
The exact circumference is 8pi inches long

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