Right Triangle
A right triangle is a triangle that has a right angle. The Pythagorean Theorem is a relationship among the sides of a right triangle.
Right triangle is an elementary-school-level concept. It is listed in the California State Standards for Grade 2.
Prerequisites
Right Angle: | A right angle is an angle that measures exactly 90 degrees. |
Triangle: | A triangle is a three-sided (and three-angled) polygon. |
Trigonometry: | Trigonometry is the study of angles and of the angular relationships of planar and three-dimensional figures. |