This math skill demonstrates how to calculate the length of a hypotenuse in a right triangle using Pythagoras' theorem, which states that the sum of the squares of the two shorter sides equals the square of the hypotenuse.
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Solve Pythagoras equation for a hypotenuse
Test your understanding of Pythagoras length hypotenuse by practicing it! Work through the below exercises to use it in practice.
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Let's find the length of the hypotenuse on this right triangle
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Pythagoras tells us that 'A' squared plus 'B' squared = 'C' squared where 'C' is the hypotenuse
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So we know that 3 squared plus 4 squared equals 'C' squared
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So 'C' squared is 16 + 9, or 15
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So 'C' is the square root of 25, which would be 5