Use the Triangle Angle Sum Theorum to find the measure of an angle A for the triangle in the diagram.

Question

Use the Triangle Angle Sum Theorum to find the measure of an angle A for the triangle in the diagram.
A. 19°
B. 180°
C. 70°
D. 55°

GPT 3.5 · Answer

B. 180° Explanation: According to the Triangle Angle Sum Theorem, the sum of the interior angles of a triangle is always 180 degrees. Therefore, the measure of angle A in the triangle is 180°.