1. In a triangle ABC, AD is angle bisector of ∠A and AB : AC = 3 : 4. If the area of triangle ABC is 350 cm2, then what is the area (in cm2: of triangle ABD?
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By: anil on 05 May 2019 01.46 am
In $$ riangle$$ ABC, since AD is the angle bisector and AB : AC = 3 : 4 => $$frac{ar( riangle ABD)}{ar( riangle ADC)}=frac{3}{4}$$ Also, $$ar( riangle ABC)=350$$ $$cm^2$$ $$ herefore$$ $$ar( riangle ABD)=frac{3}{(3+4)} imes350$$ = $$3 imes50=150$$ $$cm^2$$ => Ans - (A)
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