1. In ΔDEF measure of angle E is 90o. If tanD = 4/3, and DE = 6cm, then what is the length (in cm) of side EF?
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By: anil on 05 May 2019 02.06 am
Given : DE = 6 cm and tan D = $$frac{4}{3}$$ To find : EF = ? Solution : In right $$ riangle$$ DEF, => $$tan(D)=frac{EF}{DE}$$ => $$frac{4}{3}=frac{EF}{6}$$ => $$EF=frac{4}{3} imes6=8$$ cm => Ans - (C)
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