Q. 223.7( 3 Votes )

In Fig. 9.47, for which value of x is l1 || l2?


A. 37

B. 43

C. 45

D. 47

Answer :

Since,

l1 l2


And,


AB cuts them so,


DBA = BAE = 78o


BAC + 35o = 78o


BAC = 43o


In


BAC + ABC + ACB = 180o


43o + x + 90o = 180o


x = 47o

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