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hey here is your answer
x=60(alternate interior angle)
x+y=110(the sum to interior angle is equal to the sum of exterior angle)
we prove that x=60
so,
60+y=110
y=110-60
y=50
At point A
60+y+z=180(the sum of a triangle)
we proved y=50
so,
60+50+y=180
110+z=180
z=180-110
z=70
x=60(alternate interior angle)
x+y=110(the sum to interior angle is equal to the sum of exterior angle)
we prove that x=60
so,
60+y=110
y=110-60
y=50
At point A
60+y+z=180(the sum of a triangle)
we proved y=50
so,
60+50+y=180
110+z=180
z=180-110
z=70
harshrana010200:
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mark it as brainliests
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