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Question


In a ABC, A=60, B=30 and C=90.
Then find the ratio of the sides AC: BC: AB.

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Solution


Let us assume the length the of the side opposite to B = x.

In ABC, we have

sin(B)=sin 30=xAB12=xABAB=2x...(i)And,tan 30=xBC13=xBCBC=3x....(ii)

AC:BC:AB=x:x3:2x=1:3:2

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