What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pi.

5 inches

Step-by-step explanation:

1. To solve this problem you must use the formula for calculate the area of a circle, which is shown below:

Where is the radius of the circle.

2. You know the area of the circle, therefore, you can solve for the radius, as following:

3. When you must substitute the value of the area into the equation above, you obtain the following result:

what i would say the best answer is a. 40.5

765238725478629038640962136509762139056074

step-by-step explanation:

64087235609746097215074621039754021037