In the given figure AB ǁ CD, find the value of x.
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Answer:
x = 40 + 20 degree
x = 80 degree
Step-by-step explanation:
we draw an imaginary line passing from O parallel to AB and CD
angle ABO = 180 - 140 = 40
one part of angle x is 40 degree
then by alternate interior angles second part of angle x is 20 degree
so x = 40 + 20= 60
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