# Volume

Volume is the measure of the inside of a 3-D figure.

The amount of 3-dimensional space an object occupies. Capacity.

For this example the volume is 200 units^{3}

The formula is V=Bh

B=Area of the Base (use the STAAR Chart to find B)

h=height of Prism

Units of volume include:

*Metric:* cubic centimeters (cm^{3}), cubic meters (m^{3})

Practice Volume here and here .

# Surface Area

The total area of the surface of a three-dimensional object.

Example: the surface area of a cube is the area of all 6 faces added together.

The formula is S = Ph + 2B

P=Perimeter of the Base

h=height of Prism

B=Area of the Base (use the STAAR Chart to find B)

Units of volume include:

*Metric:*cubic centimeters (cm2), cubic meters (m2),Practice Surface Area here.

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