I would need more information from the question to give an answer for each trapezoid.
45/56
5/7 divided 8/9
5/7 times 9/8
45/56
Yes they will be parallel. Now you try to solve it.
Step-by-step explanation:
V=pi×r^2×h
36pi =pi × (3)^2 × h
36pi ÷ pi×9 = h
4cm^2 = h