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4 votes
4 votes
Find x.
40°
43°
31°


Find x. 40° 43° 31° X°-example-1
User Georgian
by
2.8k points

1 Answer

12 votes
12 votes

Answer:

114

Explanation:

Using vertical angles, the angles of the left triangle are 43°, 40°, and 97°, so the supplement of the 97° angle is 83°.

Using the exterior angle theorem, x=83+31=114.

User BlaShadow
by
3.1k points