Football The function defined by h = -5t² + 20t + 2 indicates the approximate height h of a soccer ball. in meters according to
1 answer:
You might be interested in
Step-by-step explanation:
It is given that,
The diameter of a tennis ball is 2 cm and the diameter of the softball is 1 cm. So, radius of tennis ball is 1 cm and radius of softball is 0.5 cm.
Both balls are in the shape of sphere. Half of the balls will becomes hemisphere. The surface area of hemisphere is given by :
Taking ratio of both balls, i.e.
So, the surface area of a half of the tennis ball is 4 times of he surface area of a half of the softball.