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If an arc of 60° on circle  has the same length as an arc of 45° on circle , what is the ratio of the area of circle  to the area of circle ?

 Aug 11, 2021
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60:45 gets us 3:4 in circumference.

 

3:4 in circumference gets us 3:4 in radius, and that gets us 9:16 in the two circles' areas, which is the answer.

 Aug 11, 2021

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