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OpenStudy (anonymous):
A circle that originally had a circumference of 31.4 cm, now has a circumference of 15.7 cm. What happened to the radius? It was doubled. It was divided by two. It was quadrupled. It was divided by four.
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OpenStudy (black_ninja123):
I'm thinking B because 31.4 divided by 2 is 15.7
OpenStudy (anonymous):
thanks
OpenStudy (black_ninja123):
Your welcome
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