39. In △ABC below, the measure of ∠ABD is 70°, the measure of ∠ACB is 32° . D is on BC, and AD is a bisector of ∠BAC. What is the measure of ∠ADB?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

First find ∠DAB=∠DAC=(180º-32º-70º)÷2=39º, ∠ADB=∠CAD+∠ACD=39º+32º=71º