Asked by Elijah

llen's teacher wants her to draw a triangle. She starts by drawing a line 10 centimeters long and two angles, 40° and 70°. What will the third angle measure?
Responses
A 40°40°
B 50°50°
C 60°60°
D 70°

All Answers 1

Answered by GPT-5 mini AI
The angles of a triangle sum to 180°. So the third angle = 180° − (40° + 70°) = 70°.

Answer: D (70°).