SOLUTION: What is the radius of a sphere when its surface area is 113 square inches

SOLUTION: What is the radius of a sphere when its surface area is 113 square inches

Algebra.Com

Question 270828: What is the radius of a sphere when its surface area is 113 square inches
Answer by Greenfinch(383) (Show Source): You can put this solution on YOUR website!
SA = 4x pi x r^2 = 113
so pi x r^2 = 28.25
so r^2 = 8.99 call it 9
r = 3
RELATED QUESTIONS
I have no idea what this is saying. Solve the problem. The surface area of a sphere... (answered by sudhanshu_kmr)

The surface area of a ballon varies directly as the square of its radius. The Area is 325 (answered by mananth)

The surface area of a sphere varies directly as the square of the radius. If the surface (answered by Theo,Alan3354)

The surface area of a sphere varies directly as the square of the radius. If the surface... (answered by Alan3354)

what is the surface area of a sphere with a radius of 20... (answered by mananth,Edwin McCravy)

The surface area of a sphere varies directly with the square of its radius. If the... (answered by Alan3354)

IF the surface area of a sphere is 20 square centimeters, what is the... (answered by Alan3354)

The volume of a sphere is numerically equal to twice its surface area. What is the radius (answered by Alan3354,Fombitz)

What happens to the surface area of a sphere when the radius is halved? (answered by Alan3354)