Question

find the value of x.
a.102°
b.111°
c.120°
d.122°

Answer 1

Answer:

102 is the right answer .

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Answer 2

THEORY

To find x in the figure, we can apply exterior angle property of a triangle.

Exterior angle property : The exterior angle formed by an extended side of the triangle is equal to the sum of the other two angles.

Solution

132 = 30+x

132 - 30 = x

102° = x

Final Answer:

x is 102°

So option a is correct.