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Find all three side lengths to see if all of them are the same using the length formula

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Find the lengths using the length formula, if all the sides have the same length than the triangle is equilateral. If the sides have the same slopes then it is also an equilateral triangle.

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The length of all the lines. If they're the same it is an equilateral triangle.

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You need to use the formula that you need to find the square root at the end. You need to use that for all sides and it they all come out to the same lengths than it's an equilateral triangle

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We have to use the length of a line segment formula and calculate each line:
AB, AC and BC, if all lines equal the same, the triangle is equilateral

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You need to use the formula including the square root to finding the

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Find distance between AB, BC, AC by using length formula. If all sides are equal, it is an equilateral triangle

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Find th length of all three sides and if they are all the sa,e then it is an equilateral triangle

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Find the length of the line segments and if they are the same the triangle is equilateral

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You find the side lengths of all three sides to determine if it is an equilateral triangle using the formula of the length of a line.

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You find the side lengths of all three sides to determine if it is an equilateral triangle using the formula of the length of a line.

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You would use the coordinates of each segment to find the length of the line using the formula for it and see if they are equal the same

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Find distance between (A,C), get length
Find distance between (A,B), get length
Find distance between (C,B), get length

If it was an equilateral triangle, all these side lengths should be equal