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OpenStudy (anonymous):
Given quadrilateral ABCD ~ quadrilateral JKLM and AD = 14, JM = 6, and KL = 9, what is BC?
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OpenStudy (er.mohd.amir):
sides are same ratio so AD/JM=BC/KL
OpenStudy (er.mohd.amir):
put all value and find BC
OpenStudy (anonymous):
divide?
OpenStudy (er.mohd.amir):
14/6=BC/9 14*9=6*BC BC=14*9/6 BC=21
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