351,574 views
44 votes
44 votes
1.) What is m ABC?
Show your work.
75
135
с

1.) What is m ABC? Show your work. 75 135 с-example-1
User Ziyu
by
2.8k points

1 Answer

27 votes
27 votes

Answer:


image

Explanation:

Given


image

The attached triangle

Required

Find
image

First, calculate
image


image --- angle on a straight line


image


image


image is then calculated using:


image -- angle in a triangle


image


image


image

User Pankwood
by
2.8k points