Question

25 POINTS!!!

This is a rather complicated question... but:
What is the circumference of a circle if the radius is 9.85 (Round to the nearest 10th)
Take the circumference and square it. (round to the nearest 10th)
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NEW QUESTION
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What is the area of a sphere if the radius is 7
TYSM

Answer 1

C≈61.89

C=3830.37

Explanation:

A≈615.75