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 :


l1 l2


AB cuts them so,

DBA = BAE = 78o

BAC + 35o = 78o

BAC = 43o


BAC + ABC + ACB = 180o

43o + x + 90o = 180o

x = 47o

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