Answer:
-5
Step-by-step explanation:
H= volume/ pi(r)^2 is the height of a cylinder
Step-by-step explanation:
Line is passing through the points:
Equation of line in two point form is given as:

Since A (3,4) A’(9,12)
You can see 3*3=9
Therefor it was enlarged by 3times
Scale factor of 3
Because the angels are equivalent, you can set the expressions equal to each other and solve. You will find that x = 54.
Work shown in image - let me know if I made any errors or if you have any additional questions.