Finding the length of a side of a equilateral triangle given the perimeter - Online Tutor

The video tutorial explains the properties of equilateral triangles, focusing on how each side and angle are equal. It introduces the concept of perimeter as the total distance around a figure and demonstrates how to calculate the side length of an equilateral triangle when given the perimeter. The tutorial uses algebraic methods, assigning a variable to unknown side lengths and solving the equation to find the value of one side. The process is verified by checking the sum of the sides equals the given perimeter.

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