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

10. A table tennis ball has a diameter of 40 mm. What is the surface area of the tabletennis-example-1
User Ashutosh Tiwari
by
7.9k points

1 Answer

8 votes

Answer:

D

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

User Mossaddeque Mahmood
by
8.7k points
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