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If an arc of $45^{\circ}$ on circle $A$ has the same length as an arc of $30^{\circ}$ on circle $B$, then what is the ratio of the area of circle $A$ to the area of circle $B$? Express your answer as a common fraction.

 Mar 6, 2021
 #1
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The ratio is 45/30 = 3/2.

 Mar 6, 2021
 #3
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Circle B is larger!!!smiley

Guest Mar 7, 2021
 #2
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The ratio is  4pi / 9pi    or    4/9

 Mar 7, 2021

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