How to find the perimeter of a triangle with one side missing

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How to find the perimeter of a triangle with only one side?

To find the perimeter of a triangle, take the sum of the three side lengths. If one or two side lengths are missing (unknown), use the Law Of Cosines, Law Of Sines, Pythagorean Theorem

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Perimeter of Triangle

While there is a basic formula to calculate the perimeter of the triangle, certain conditions could affect the steps. Method 1: Using the Basic Formula. Step 1: Ensure that all the sides lengths

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