a)

b)

c)

a)
To find:
The find the measure of
If there exists two parallel lines cut by a transversal then the pair of interior angles on the same side of transversal are supplementary.
Given:
The given figure is,
The given angle is
Approach:
Consider the given figure,
From the above figure,
b)
To find:
The find the measure of
c)
To find:
The find the measure of
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