Question

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Answer 1

Answer:

x=140°,y=40°

Step-by-step explanation:

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Answer 2

Answer:

X= 140

Y= 40°

Step-by-step explanation:

Given : figure

To find : the value of x and y

Facts:

sum of all the angles of quadrilateral = 360°

Sum of angles of straight line = 180°

Solution :

100°+80°+40°+X=360°

X= 360-(100+80+40)

X= 140°

x+y= 180°

140+y=180

Y= 40°

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