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What is the radius of a circle with an area of 78.5 cubic inches? Use 3.14 for pi. Enter your answer in the box.

2 Answers

7 votes

Answer: Your Answer would be 5 inches

Explanation:

Your welcome!!!

User Ggirodda
by
5.1k points
4 votes

Answer:

r =5 in

Explanation:

Area of a circle is given by

A = pi r^2

We know the area and pi

78.5 = 3.14 r^2

Divide by 3.14

78.5/3.14 = 3.14 /3.14 r^2

25 = r^2

Take the square root of each side

sqrt(25) = sqrt(r^2)

5=r

User Vikramsjn
by
5.1k points
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