Question

PLEASE HELP! WILL VOTE AND BRAINLIEST!

Answer 1

1. 
a)cylinder: V = π r² h
b)pyramid: 1/3 · [area of base] · h
c)cone: (1/3)πr²h


2.
The changes in the dimensions of a cube changes its volume by 8 This essentially means that the original side length and volume is 1 cubic unit. However, when you double the side then the volume will finally be 8 cubic units. Therefore, the volume multiplies by eight.

3.
a)cylinder - Ellipse
b)cone - Circle
c)sphere - Great Circle 
d)square pyramid - Triangle