Question

The center on a target has a diameter of 5 inches. The whole target has a diameter of 25 inches. Complete the explanation for what part of the whole target is the center. The center of the target takes up ____% of the whole target.

Answer 1

The center of the target takes up 4% of the whole target.

Explanation:

Use the formula A = πr²

to find the area of the center of the target and the area of the whole target.

π(2.5)²

π(12.5)² = 6.25/ 156.25 = 1 /25

Convert the fraction to a percent.

1 /25 = 0.04 Convert

1 /25 into a decimal = 4% Convert 0.04 to a percent.

Answer 2

4%

Explanation:

the area of the little circle is 25π and the area of the big circle is 625π

divide the inner circle by the outer circle 25/624 = .04 = 4%