Find the value of x in each of the following figures if l||m

(i)


(ii)


(i) From the above figure, we have


y and 110o are equal as both are corresponding angles


Therefore,


y = 110o (Corresponding angles)


Also,


x and y are forming a linear pair and we know that sum of angles of linear pair is equal to 180o


Therefore,


x + y = 180o (Linear pair)


x + 110o = 180o


x = 180o – 110o


x = 70o


Hence, value of x is 70o


(ii) From the above figure it is clear that,


x and 100o are equal as they are corresponding angles


Therefore,


x = 100o


Hence,


The value of x is 100o


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