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OpenStudy (anonymous):
Circle A and circle B are congruent. line CD is a chord of both circles. If CD = 16 cm and the radius is 17 cm, how long is line AB ? 23 cm 12 cm 15 cm 30 cm
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OpenStudy (anonymous):
OpenStudy (anonymous):
30 because it def. cant be 12 or 15 because that's too small, and 23 doesn't add up, so id say 30. best guess though, id double check :) but im pretty sure its right!
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