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How to find a missing length of a triangle

To find the hypotenuse of a right triangle, use the Pythagorean Theorem. Start with the two known sides and use the famous formula developed by the Greek mathematician

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Calculating lengths of triangle sides (Pythagorean)

In the left triangle, the measure of the hypotenuse is missing. Use the Pythagorean theorem to solve for the missing length. Replace the variables in the theorem with the values

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Triangle missing side example (video)

How to Find the Missing Side Length Given Two Similar Triangles Step 1: Given a pair of similar triangles, determine which sides correspond to each other. The smallest side of the first

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How to Solve for a Missing Right Triangle Length

Where a and b are two sides of a triangle, and c is the hypotenuse, the Pythagorean theorem can be written as: a 2 + b 2 = c 2. EX: Given a = 3, c = 5, find b: 3 2 + b 2 = 5 2. 9 + b 2 = 25. b 2 = 16

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