Find the measure for the sides of an equilateral triangle

The video tutorial explains how to find the missing variable in an equilateral triangle. The teacher guides students through setting up an equation based on the properties of equilateral triangles, where all sides are equal. By solving the equation, the value of the variable Y is determined. This value is then used to calculate the lengths of each side of the triangle, confirming that they are equal, as expected in an equilateral triangle. The tutorial concludes with a recap of the process and an invitation for students to try a similar problem on their own.

What do we know about the sides of an equilateral triangle?

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How can we find the value of the missing variable Y in the equation 2Y + 5 = 3Y - 8?

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What is the value of Y after solving the equation?

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Once you have the value of Y, how do you find the lengths of each side of the triangle?

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What is the final length of each side of the equilateral triangle?

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