find the degree of the following
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< x + < y = 180°
ratio = 1 : 2 (x : y)
(1/3 parts covered by x..and 2/3 parts are covered by y...in the given fig...)
1/3 × 180 = 60° = < x
2/3 × 180 = 2 × 60 = 120° = <y
< x = 60° , < y = 120°
hope it helps !!
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