MAQ Unit 4: Parallel and Perpendicular Lines Assessment 8. Acub cut for wheelchairs must meet ADA (Americans with Disabilities A

Question

3 years ago

15

ct requirements. Find the measure of 21 (exterior to the triangle) in the diagram below. 78° 1

1 answer:

Stolb23 [73] · Answer 1 · 2022-09-05T11:42:26+03:00

6 0

Answer:

168

Step-by-step explanation:

- first we need to find the third angle of the triangle, and since 180 is the sum of all angles, 180 - 90 - 78 = 12

- 12 is the interior angle at point 1, the exterior angle is 180 - 12 = 168

(here we use 180 because its a straight line)