The shape shown here is a triangular pyramid, because it has a triangular base and a pointy tip.
Answer: 
Step-by-step explanation:
Given
The height of the cylinder is 
The volume of the cylinder is 
The volume of the cylinder is the product of area and height

Insert the values

Thus, the area of the cross-section is 
C
D
Reason: their ratio is 1
Mark brainliest please
3^6
or
729 because 3 time 3 times 3 times 3 time 3 times 3 is 729