Question

find value of, x and y (do mention properties used. (See figure given.)
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Answer 1

Answer:

y=40,linear pair and x=70

Step-by-step explanation:

x+x+y=180 ,angle sum property

2x+y=180

2x+40=180

2x=180-40

2x=140

x=140/2

x=70

Answer 2

Answer:

y = 40˚, x= 70˚

Step-by-step explanation:

140˚ + y = 180˚ (Linear Pair)
y= 40˚

y + x + x = 180˚ (Angle Sum Property of triangle)
40˚ +2x= 180˚
2x = 140˚
x= 70˚


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