If the two angles of a triangle are 80° and 50°, respectively. Find the measure of the third angle.
A. 50°
B. 60°
C. 70°
D. 80°
Answer:A
If the two angles of a triangle are 80° and 50°, respectively. Find the measure of the third angle.
A. 50° B. 60° C. 70° D. 80°
Explanation: By the angle sum property of triangle, we know that;