Question

5. Find the measure of the missing angle.
40°

Answer 1

Answer: 50 degrees

Step-by-step explanation: The interior angles add up to 180.

1. 40 + 90 + ? = 180

130 + ? = 180

-130 - 130

? = 50

Answer 2

50°

Explanation:

40° + 90° + ? = 180°

130° + ? = 180°

? = 180° - 130°

? = 50°