Question

Two angles of a triangle measure 25° and 65º. Find the third angle.​

Answer 1

Answer:

90°

Step-by-step explanation:

The sum of the three sides of a triangle is 180°

∠A=25°

∠B=65°

∠C=x

∠A+∠B+∠C=180°

25°+65°+∠C=180°

90°+∠C=180°

∠C=180°-90°

∠C=90°