Home > MC1 > Chapter 10 > Lesson 10.2.1 > Problem 10-72
10-72.
Since m and 137° are vertical angles, m = 137°.
m + k = 180°
180° − 137° = 43°
k = 43°
m = 137°
k = 43°
The angles within a triangle add to 180°.
Since m and 137° are vertical angles, m = 137°.
m + k = 180°
180° − 137° = 43°
k = 43°
m = 137°
k = 43°
The angles within a triangle add to 180°.