$\"\"$

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Given that $\"\"$ is an equalateral triangle. So, all of the sides are congruent.

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Let $\"\"$ .

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$\"\"$ (Substitution)

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$\"\"$ (Subtract 2x from each side)

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$\"\"$ (Divide each side by 2) $\"\"$

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Use $\"\"$ to find the length of each side.

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$\"\"$ (Given)

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

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

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$\"\"$ (Given)

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

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

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$\"\"$ (Given)

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

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

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For $\"\"$ , $\"\"$ , and the measure of each side is 2.