Question

Dont send the ansr in a file... Find the measure of angle acd (20 points)

Answer 1

∠ ACD = 130°

Explanation:

∠ ABC = 180° - 120° = 60° ( adjacent angles on a straight line )

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ ACD is an exterior angle of the triangle , then

∠ ACD = 70° + 60° = 130°