$\"\"$

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The given vertices of $\"\"$ are $\"\"$ .

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Find the measures of each side using distance formula.

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The distance formula is $\"\"$ .

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$\"\"$ (Write the formula)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Simplify)

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$\"\"$ (Simplify) $\"\"$ $\"\"$ (Write the formula)

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Simplify)

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$\"\"$ (Simplify) $\"\"$ $\"\"$ (Write the formula)

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$\"\"$ (Substitut $\"\"$ )

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$\"\"$ (Simplify)

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$\"\"$ (Simplify) $\"\"$

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The measures of the sides are $\"\"$ , $\"\"$ and $\"\"$ .

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Since the measures of three sides are not same, $\"\"$ is a scalene triangle.