Bisect means cut in half. If m<ABD is 66 degrees, the only thing you need to do is to take 66/2 and your answer is 33 degrees:)
Answer (it stays the same):
I hope this helps!
Answer:
CSA is 12.57
TSA is 18.85 .. i dont know what the question is asking..
I will recommend you to use TSA
Answer: (3,6)
Rewrite in vertex form and use this form to find the vertex (h,k)