Mathematic Formulas
Perimeter, Area, and Volume
Perimeter, Area, and Volume
1. The perimeter of a polygon (or any other closed curve, such as a circle) is the distance around the outside.
2. The area of a simple, closed, planar curve is the amount of space inside.
3. The volume of a solid 3D3D shape is the amount of space displaced by it.
Some formulas for common 22 -dimensional plane figures and 33 -dimensional solids are given below. The answers have one, two, or three dimensions; perimeter is measured in linear units , area is measured in square units , and volume is measured in cubic units .
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