triangle ABC is similar to triangle DEF. what is the value of BC if EF is 36 feet, AC is 7 feet, and DF is 28 feet?
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Bc÷ef= ac÷df ( triangle is similar)
so bc ÷36= 7÷28
on solving this equation you will get bc=9
so bc ÷36= 7÷28
on solving this equation you will get bc=9
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