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Lesson: Geometry Challenging - 18t01

Cubes

[Page 18 of 32]

A cube is a box in which all sides are squares.

Every edge in a cube has the same length: Length = Width = Height. Therefore, to find the volume, we need only find the length of

Task: Find the volume of a cube with an edge of 4. Type your answer into the text box and then click Continue.

Volume = 64

The cube has a volume of .

What if the question had asked for the surface area of the cube? To find the area of any one face of a cube, we use the formula for the area of a square: . Since all 6 faces of a cube have the same area, the total surface area is .

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