Area(ADEF) 196 cm2 and DE 7 cm, then find AB. – InterviewSolution

1.	Area(ADEF) 196 cm2 and DE 7 cm, then find AB.
Answer» Ar(ABC)/ar(DEF)=(AB)^2/(DE)^2100/196=AB^2/7^210/14=AB/770=14ABAB=70/14AB=5

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