Measuring the Perimeter of Plane Figures Using a Grid

The video tutorial explains how to measure the perimeter of a plane figure using a grid. It begins by defining the perimeter as the total length of a figure's sides, measured in units like meters or inches. The tutorial then demonstrates how to use a square centimeter grid to determine the length of each side of a figure. By counting the unit squares along each side, the lengths are found and added together to calculate the perimeter, which in this example is 20 centimeters. The lesson concludes by reinforcing the method of measuring perimeter on a grid.

What units are commonly used to measure perimeter?

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Explain the process of adding the lengths of the sides to find the perimeter.

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