1 answer
(click or scroll down)
To find the measure of angle BCD, we need to subtract the measures of angles ACB and DCE from 180°, since the sum of angles in a triangle is always 180°.
ACB = (x + 15)°
DCE = 13°
180° - (x + 15)° - 13° = 180° - (x + 28)°
Therefore, the measure of angle BCD is (x + 48)°.
So, the answer is 67°.