Question

How much greater is the surface area of a basketball with a radius of 4.7244 inches than the surface area of a tennis ball with a radius of 1.2598 inches? Round to the nearest hundredth

Answer 1

Use the SA formula for a sphere
Subtract the tennis ball area from the basketball area

Answer 2

You should be able to find the Surface Area formula on google

Answer 3

i did . i got 63.13 but its coming up wrong

Answer 4

\[SA=4 \pi r^{2}\]\[SA_b=280.48\]\[SA_t=19.94\]\[Difference=260.54\]