Q. 255.0( 2 Votes )

In Fig. 9.50, what is value of x?


A. 35

B. 45

C. 50

D. 60

Answer :

In

ABC + ACB + CAB = 180o


5y + 3y + x = 180o


8y + x = 180o (i)


ABC + CBD = 180o (Linear pair)


5y + 7y = 180o


y = 15o


Putting values of y in (i), we get


8 * 15 + xo = 180o


x = 60o

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