a golf ball has a radius of 21.34 mm. if it’s surface is to be wrapped with paper how much paper is needed?

use the formula

**Answer:**

To calculate the amount of paper needed to wrap the surface of a golf ball, you can find the surface area of the ball and then use that value to determine the amount of paper required.

The formula for the surface area of a sphere is:

Surface Area = 4πr²

where “r” is the radius of the sphere.

In this case, the radius of the golf ball is given as 21.34 mm. Let’s calculate the surface area:

Surface Area = 4π(21.34 mm)²

Surface Area = 4π(456.1156 mm²)

Surface Area ≈ 1816.4624 mm²

Now, if we wrap the surface of the golf ball with paper, we will need an equal amount of paper. Therefore, the amount of paper needed to wrap the golf ball is approximately 1816.4624 square millimeters (mm²).

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