Let ÎABC ~ ÎDEF, if ar (AABC)-100 cm2, ar (ADEF)196cm2 and DE-7, – InterviewSolution

1.	Let ÎABC ~ ÎDEF, if ar (AABC)-100 cm2, ar (ADEF)196cm2 and DE-7,then find AB.
Answer» ABC ~ DEF AB/ABC = DE/DEF AB/100 = 7/196 AB = 100×7/196 = 100/28 = 25/7 cm

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