1.

In the given figure if x:y=2:3,find the value of x and y.

Answer»

Let the ratio be ( 2a and 3A )





We KNOW, SUM of all angles on a straight line = 180



2a + 3a =180


5A = 180


a = 180/5


a = 36






Hence,


X = 2(a)

= 2(36)

= 72



y = 3(a)

= 3(36)

= 108



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