Meaning of the word "right triangle" in English

What does "right triangle" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

right triangle

US /ˈraɪt ˈtraɪˌæŋ.ɡəl/
UK /ˈraɪt ˈtraɪˌæŋ.ɡəl/
"right triangle" picture

Noun

a triangle in which one angle is a right angle (90 degrees)

Example:
The Pythagorean theorem applies to a right triangle.
We need to calculate the hypotenuse of the right triangle.