Legs of a Triangle

Definition of Legs of a Triangle

In a right triangle, the sides opposite to the acute angles are called the Legs of a Triangle.

More About Legs of a Triangle

  • The legs are the two shorter sides of a right triangle.
  • The legs of a right triangle are perpendicular to each other.

Video Examples: Congruent legs and base angles of Isosceles Triangles


Example of Legs of a Triangle

      example of   Legs of a Triangle
    In the above right triangle ABC, AB and BC are the legs of the triangle which are shorter sides and AC is the hypotenuse which is the longest side.

Solved Example on Legs of a Triangle

Ques: Identify the legs of the triangle PQR.

    example of   Legs of a Triangle
    Choices:
    A. PR and QR
    B. PQ and QR
    C. only PQ
    D. PQ and PR
    Correct Answer: B

Solution:

    Step 1: In a right triangle, the sides opposite to the acute angles are called Legs of a Triangle.
    Step 2: ?QPR and ?PRQ are the two acute angles
    Step 3: So,PQ and QR are the legs of the triangle PQR.