Question

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Find the surface area of a sphere with a diameter of 30 inches. Leave your answer in terms of pi.(1 point)
Responses

2,826π in.2
2,826 pi inches squared

3,600π in.2
3,600 pi inches squared

900π in.2
900 pi inches squared

225π in.2

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find the surface area of a sphere, you can use the formula:

Surface Area = 4πr²

Since the diameter is given, we can find the radius by dividing it by 2:

Radius = Diameter/2 = 30 inches / 2 = 15 inches

Now, we can substitute the value of the radius into the formula:

Surface Area = 4π(15)² = 4π(225) = 900π in.²

Therefore, the correct answer is:

900π in.²