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Help i am so confused on this math problem

The surface area of this sphere is 113.04 square meters. What is the volume of this sphere?

Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

User Mehrmoudi
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1 Answer

5 votes

Answer: V ≈ 113.04 cubic meters

Step-by-step explanation: We know that the formula for the surface area of a sphere is:

SA = 4πr²

We are given that the surface area of this sphere is 113.04 square meters, so we can set up an equation:

113.04 = 4πr²

To solve for r, we need to isolate it. First, we can divide both sides by 4π:

113.04 ÷ 4π = r²

Simplifying:

r² ≈ 9.013

To solve for r, we can take the square root of both sides:

r ≈ 2.999

Now that we know the radius of the sphere is approximately 3 meters, we can use the formula for the volume of a sphere to find the volume:

V = (4/3)πr³

Substituting our value for r:

V = (4/3)π(2.999)³

Simplifying and rounding to the nearest hundredth:

V ≈ 113.04 cubic meters

Hope that helped!

User Ted Delezene
by
8.5k points
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