Mathematics, 03.02.2020 14:52 cookie42087

The diameter of circle a is 9 times as great as the diameter of circle b. the area of circle a is how many times as great as the area of circle b? a) 9 b) 16 c) 81 d) 20 e) 1,543

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The diameter of circle a is 9 times as great as the diameter of circle b. the area of circle a is ho...

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