Perimeter
Jargon-Free Definition
The distance all the way around a shape.
QCAA/AC9 Definition
The total length of the boundary of a shape.
Examples of Word Use in School
- Calculate the perimeter of the rectangle.
- Compare the perimeters of the shapes.
- Measure each side before finding the perimeter.
Mathematical Definition
The sum of the side lengths of a plane figure, measured in linear units such as