Answer and Explanation
Your Answer is
Correct Answer is D
Explanation
First draw a schematic diagram according to the meaning of the question, and then find that ∠BAC+∠AD=180, then ∠BAD=180-47
19. In a plane, the distinct lines 
and 
intersect at A, where A is between C and D. The measure of ∠BAC is 47°. What is the measure of ∠BAD ?