Point \( A \) is the center of the circle. The length of \( C D \) is 15 centimeters. a) What is the length of the diameter? b) What is the length of the radius? c) What is the circumference of the circle? d) What is the area of the circle?
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Since CD is a radius, the diameter is 2*15 = 30 centimeters. Show more…
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