Q. 224.6( 8 Votes )

In Fig., ray A

Answer :

(i) Given that,


x = 60o


y =?


AOC + DOC = 180o(Linear pair)


2x + y = 180o


120o + y = 1800


y = 60o


(ii) Given that,


y = 40o


x =?


AOC + BOC = 180o (Linear pair)


2x + y = 180o


2x = 140o


x = 70o


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