Step-by-step explanation:
For the Cuboid, the formula will be:
Width x Height x Length
For the cylinder the volume formula will be:

|x| > -1 represents all real numbers.
Answer:
x =(10-√112)/2=5-2√ 7 = -0.292
x =(10+√112)/2=5+2√ 7 = 10.292
Hope that helped I use this when I'm doing math. It's called cymath it explain how they got the answer.