What about this one a tennis ball has a radius of 1.25 inches. The outside of a tennis ball is covered with felt. How many square inches of felt, to the nearest square inch, does it take to cover a tennis ball?
Question
Answer:
The surface area of a sphere is given by the formula.. A = 4Ο*r^2
.. A = 4Ο*(1.25 in)^2 β 20 in^2
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general
10 months ago
7050