The Legs of a Triangle
What are the legs of a triangle? In geometry, the legs of a triangle are the two sides that form the right angle of a right triangle. These sides may have equal or different lengths, but they always meet at a 90-degree angle. The remaining side, called the hypotenuse, lies opposite the right angle. Identifying the legs correctly is essential for applying the Pythagorean theorem, solving missing side lengths, and understanding basic trigonometric relationships.
Definition of the Legs of a Triangle
The term leg is used most precisely when referring to a right triangle. A right triangle has three sides:
- Two sides meet at the right angle.
- The third side lies across from the right angle.
The two sides touching the right angle are the legs, while the side opposite it is the hypotenuse Practical, not theoretical..
To give you an idea, suppose triangle ABC has a right angle at point C. Its sides
