This falls under geometry. The two labeled angles are congruent, which means the line segment between them (AD in the image) is a bisector of the angle at vertex A. Use the angle bisector theorem, which says that




Answer:
first one, -4+-5=-9
second one, is d, -6 14/15
Step-by-step explanation:
i hope this helps. :)
Answer:
The answer is A.
Hope that helps :)
Step-by-step explanation: