📖 Math Dictionary
Hypotenuse
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Definition
The hypotenuse is the longest side of a right triangle. It is always opposite the right angle (90°).
💡Example
In a right triangle with sides 3, 4, and 5, the hypotenuse is 5 (the longest side). Using the Pythagorean theorem: 3² + 4² = 5² (9 + 16 = 25).
🎓Used in Grades
Grades 8-10KS3/GCSE