Question

B

Angle ADB=56, and Angle BDC=12. Find the
measure of angle ADC.

Please help me

Answer 1

∠ ADC = 68°

Explanation:

sinve all 3 angles intersect at vertex D , then

∠ ADC = ∠ ADB + ∠ BDC = 56° + 12° = 68°