56.8k views
3 votes
Interior and exterior triangle angles

Interior and exterior triangle angles-example-1

1 Answer

1 vote

Answer:


106^(\circ)

Explanation:

Angles in a triangle add to
180^(\circ).


6x+10+2x+5+3x-11=180 \\ \\ 11x+4=180 \\ \\ 11x=176 \\ \\ x=16 \\ \\ m\angle R=6(16)+10=106^(\circ)

User Erichrusch
by
8.1k points