Question

If m∠A =91° and m∠B = 40°, find m∠1.

Answer 1

If the angle is one of the three angles of a triangle then m<1=49 degrees. All angles of a triangle added together equal to 180 degrees.
 
91+ 40= 131
180-131=49
m<1=49degrees

Answer 2

Answer:i think c i'm not sure sorry if i'm wrong