Q. 275.0( 3 Votes )

In Fig. 9.52, the value of x is

A. 65°

B. 80°

C. 95°

D. 120°

Answer :


A + ABD + BDA = 180o

ABD = 100o


EBC + ECB + CEB = 180o

-100o + 40o + CEB = 00

CEB = 60o

CEB + CED = 180o (Linear pair)

60o + x = 180o

x = 120o

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