right triangle
Sign in to savetriangle in which one angle is a 90-degree angle
AI overview
A right triangle is a triangle that has one angle measuring exactly 90 degrees, which looks like a perfect corner or square angle. Right triangles matter because their special properties—like the Pythagorean theorem—make them useful for solving practical problems in construction, navigation, and engineering.
AI-generated from the Wikipedia summary — may contain errors.
Article
A right triangle △ABC with its right angle at C, hypotenuse c, and legs a and b, A right triangle or right-angled triangle, sometimes called an orthogonal triangle or rectangular triangle, is a triangle in which two sides are perpendicular, forming a right angle ( 1⁄4 turn or 90 degrees).
The side opposite to the right angle is called the hypotenuse (side