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Circle A and circle B are congruent. CD is a chord of both circles. If AB = 24 in. and the radius is 13 in., how long is CD? 10 in. 12 in. 9 in. 26 in.
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are you sure?
i think it's the second one
no its not
cd is not equal to the sum of the radius
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if ab=cd then it should be 24
two circles are intersecting so ab becomes 24
|dw:1374856692747:dw|
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