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Step-by-step explanation:
y= 77 & x=60
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Answer:
y=77° and x= 60°
Step-by-step explanation:
As <APR & <PRD are alternate interior angles.So they must be equal.
y=137°-60°=77°
And,
Since, by ext. angle of a triangle
x+y= 137° and y=77°
x=137°-77°=60°
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