Question

Hi! I need help on number 15, Thanks!!!

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Since the exterior angle and other angle must be complimentary the angle in the triangle must be 60°. Since it’s a right triangle one angle must be 90°. A triangle must add up to 180°. 60°+90°=150°. 180°-150°=30°. So your angles in the triangle would be 60°, 90°, and 30°