Let ▲ABC ~ ▲DEF and their areas be, respectively, 64 cm2 and 121 cm2. If EF = 15.4 cm, find BC.

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asked Apr 30, 2017 in Mathematics by sforrest072 (157,439 points) 63 448 1264

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answered Feb 4, 2018 by Vikash Kumar (144,729 points) 8 11 25
 
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