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OpenStudy (jojo12g):
The diameter of a circle is 42 centimeters. What is the radius of the circle? A. 126 centimeters B. 42 centimeters C. 21 centimeters D. 84 centimeters
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OpenStudy (aveline):
Radius is half the diameter
OpenStudy (anonymous):
The radius is half of the circle so you would divide the diameter by 2. 42/2 = 21. so C. 21 cm.
OpenStudy (jojo12g):
thank u guys
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