Find the measure of each angle indicated.
23)
A) 125°
C) 120°
B) 110°
D) 112°

Answer:
B
Step-by-step explanation:
The exterior angles of the triangle sum to 360° , then
? + 107° + 143° = 360°
? + 250° = 360° ( subtract 250° from both sides )
? = 110° → B