Answer:
this question is not complete. need another equation
Step-by-step explanation:
give another equation then I can solve

Supplementary angle must add up to 180 so the supplement will be 108 degrees. 180-72=108.
It should be 4 qt + 1 qt is 1 gallon, I think
Answer:
i dont know
Step-by-step explanation:
First of all, it's not pie. It's pi.
Now, the problem.
Radius is always 1/2 x d (d meaning diameter)
That gives us 5.
The formula is 3.14 x 5^2(h/3)
If you solve it from left to right, you get 130.83