Answer:
The options doesn't match or the question is wrong but the answer is (1,2.5)
Step-by-step explanation:

If you know the volume then:
(3 * Cone Volume) / (PI * radius^2) = height
X+5+2x-2+90=180. combine like terms and solve like a normal algebra problem to find x. if you need to find the answer for a certain angle, plug in the value you got for x into one of the angle equations