36 it the surface area of the triangler prism
Answer:
Add all of the equations together and make them equal 180. (Solve for X) once you find x plug it back into each equation separately and that will tell you the answer for each angle
Step-by-step explanation:
The answer would be C. hope that helps out :)
15 because the highest amount of coins he can use are 25 and the lowest is 10 so 25-10 is 15
