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.

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

Identify the legs of the triangle PQR.

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.

Related Terms for Legs of a Triangle

  • Acute Angle
  • Hypotenuse
  • Right Triangle
  • Side
  • Triangle