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2. Estimate the radius of a circle with the circumference of 272.2 inches. Use 3.14 for pi. Round to the nearest tenth.

a. 43.3
b. 136.1
c. (86.7)
d. 5,887.2

1 answer

c= 2(pi)r
272.2= 2*3.14*r
272.2=6.28*r
272.2 divided by 6.28=r
43.3=r

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