# How do you use the Pythagorean theorem to find the missing side if the sides are 12mm & 155 mm?

You have to know which side is the hypothenuse in order to solve.

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To use the Pythagorean theorem to find the missing side, you can use the formula a^2 + b^2 = c^2, where a and b are the lengths of the two known sides, and c is the length of the hypotenuse (the missing side). In this case, if the sides are 12mm and 155mm, you can substitute these values into the formula and solve for the missing side.

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