Geometry · Similarity & Right Triangles
Leg
HSG-SRT.C.8
Definition
One of the two sides of a right triangle that form the right angle.
Examples
- In a 3-4-5 right triangle, the sides of length 3 and 4 are the legs.
- The two legs meet at the right angle, forming the 90 degree corner.
Key rule
A right triangle has exactly two legs and one hypotenuse.
Memory hook
The two shorter sides that form the right angle.