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A side of the triangle below has been extended to form an exterior angle of 138°. Find the value of x.

A side of the triangle below has been extended to form an exterior angle of 138°. Find the value of x.
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A side of the triangle below has been extended to form an exterior angle of 138°. Find

the value of x.

A side of the triangle below has been extended to form an exterior angle of 138°. Find-example-1
User Cslotty
by
8.2k points

1 Answer

6 votes

Answer:

42º

Explanation:

The angles are supplementary

x + 138 = 180

x = 180 - 138

x = 42º

User Tayschrenn
by
8.6k points
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