Question

If a tennis ball has a diameter of approximately 6.7 centimeters, what is its surface area?

282.05 square centimeters

141.03 square centimeters

944.87 square centimeters

564.10 square centimeters

Answer 1

Surface area of sphere = 4 * pi * r^2

you are given diameter, which is 2 times r. So, figure out r. Plug in the formula.

4 X 3.14 X 3.35 X 3.35

141.03 square centimeters is what it seems to be

Answer 2

u r like amazing lol i wouldnt really understand this if it wasnt for u