Hi,

For the Triangles Review Multiple Choice, problem number 4, shouldn't the answer be d)? Not sure how the answer is c), how do you know that segment AD is less than segment AB? Thank you.

Dear Calvin Ly,

Thank you for your comment. That's a good question. In triangle ACD, we're given that the measure of 

Sorry, there was a typo in my original question, I meant to ask, how do we know that segment AD is less than segment BC. Since the segments belong to two different triangles, does knowing that angle ACD is less than angle CAB is enough to say that segment AD is less than segment CB? I've discussed this problem with a colleague and think that based on the information presented, that it is not enough information. Any insight to this problem is greatly appreciated. Thank you for your time.

Dear Calvin Ly,

Thank you for the extra information that's been shared and the great question that's being asked. In triangle ACD, we're given that the m