I'm having trouble visualizing this. If it is something like:
Then you have 5 + 4 + (middle row). The middle row is half way between 4 and 5, so it is 4.5: 5 + 4 + 4.5 = 13.5
They are cubes
yes! It is an equilateral shape.
No. you would use cubes only if you were trying to find the perimeter, area, or volume of a dimensional shape.
you do not, one is a unit of measure, the other is a shape.
That depends on the exact shape of the figure. If it is a rectangular block, just multiply the three numbers.
cubes, very small cubes
square
They are cubes
It depends on how many cubes in the stack and what shape they form.
Alfalfa cubes are made by compressing alfalfa into a cubical shape and dehydrating it to preserve it.
isometric-hexoctrahedral
Frozen water in cube shape.
a bigger cube
A cube has 6 square-shaped faces
yes! It is an equilateral shape.
Because The Shape Is Wider :] And Because Cubes Are Light If They Were Bricks
galena, pyrite, fluorite, perovskite, or halite cubes