is as 3D square
cube
V= pi r square times h
cylinder
a 3D rectangle
rectangular prism
the sum of the areas of ll surfaces of a 3D figure
surface area
3.14
pi
a 3D figure "undone"
net
v=bh
triangular prism
what "r" stands for in a sphere, circle, etc
radius
the amount of space an object occupies
volume
area is meaured in
square units
A= lw
rectangle
V= 1/3 times pi times r square times h
cone