Question

Two angles of a triangle have measures of 30 and 55. Find the
measure of the third angle.

Answer 1

95

Explanation:

∠3 + 30° + 55° = 180° (angle sum property of a triangle)

∠3 + 85° = 180°

∠3 = 180° - 85°

∠3 = 95°

therefore, the measure of the third angle is 95°

hope you understood