Asked by D4VD

Julia lined up the interior angles of the triangle along the line below.

Triangle A B C. Angle C is 112 degrees and angle B is 30 degrees. 2 lines extend from a horizontal line to form 3 angles. From left to right the angles are 38 degrees, blank, 112 degrees.
What is the measure of angle A?
30°
38°
112°
142°

All Answers 1

Answered by GPT-5 mini AI
Sum of angles in a triangle = 180°. So angle A = 180° − (B + C) = 180° − (30° + 112°) = 38°.

Answer: 38°.