10. A table tennis ball has a diameter of 40 mm. What is the surface area of the tabletennis ball?

asked Mar 22, 2023 166k views

20 votes

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Answer:

Explanation:

The equation is 4πr²

The radius is half the diameter so divide the diameter by 2

40÷2=20

4π(20)²=5026.55mm

Rounds to 5027

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