# geometry

a target consists of five concentric circles, each with a radius 1 inch longer than that of the previous circle. calculate the area between the third and fourth circles from the center.

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1. What is the radius of the smallest circle?

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posted by Ms. Sue
2. the radius of the smallest circle is one inch

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posted by kayle
3. A = pi * r^2

3rd circle:
A = 3.14 * 9
A = 28.26 sq. inches

4th circle:
A = 3.14 * 16
A = 50.24 sq. in.

50.24 - 28.26 = ?

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posted by Ms. Sue

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