Q. 34.9( 10 Votes )

In Fig. 4.58, <sp

Answer :

We have


AB/AC=BD/DC


1=2


IN ABC


A+B+C=180


A+70+50=180


A+120=180


A=180-120


A=60


1+2=60 (1+2=A)


1+1=60 (1=2)


21=60


1=60/2


1=30


BAD=30


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