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noun

hypotenuse

heye-PO-tuhn-yooz

Hypotenuse (noun) means the longest side of a right triangle, opposite the right angle. Example: “The Pythagorean theorem lets you calculate the hypotenuse from the other two sides.”

noun
1
The longest side of a right triangle, opposite the right angle.
"The Pythagorean theorem lets you calculate the hypotenuse from the other two sides."

How to use hypotenuse

Learner’s notes

In plain EnglishIn a right triangle, the slanted side across from the 90-degree angle.

Common pairings
length of the hypotenuse calculate the hypotenuse

Word forms

hypotenuses plural

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Fill the gap

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The Pythagorean theorem lets you calculate the _____ from the other two sides.

Etymology

From Greek hypoteinousa ("stretching under, subtending"), describing the side that stretches opposite the right angle.

Origin: Greek

Rhymes for hypotenuse

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Frequently asked questions

What does “hypotenuse” mean?

The word “hypotenuse” means the longest side of a right triangle, opposite the right angle. In plain terms, in a right triangle, the slanted side across from the 90-degree angle.

How do you pronounce “hypotenuse”?

“Hypotenuse” is pronounced heye-PO-tuhn-yooz (/haɪˈpɑtənus/ in IPA).

How do you use “hypotenuse” in a sentence?

Here is “hypotenuse” used in a sentence: “The Pythagorean theorem lets you calculate the hypotenuse from the other two sides.”

What part of speech is “hypotenuse”?

“Hypotenuse” is a noun.

Where does the word “hypotenuse” come from?

The word “hypotenuse” comes from Greek. From Greek hypoteinousa ("stretching under, subtending"), describing the side that stretches opposite the right angle.

Definitions: FreeDict original editorial