× = .5 or 1/2 because .5×4=2
Answer:
1) 
3) 
4) 
Step-by-step explanation:
1. You can calculate the volume of a cylinder with the following formula:

Where
is the area of the base and
is the height.
2. Therefore, you only need to multiply the area of the base by the height in each option:
1) 
2) 
3) 
4) 
3. Therefore, the options 1), 3) and 4) have equal volumes.
Answer:
a
Step-by-step explanation:
See the attachment,,I hope it helps
The answer is 158.8333333333333