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Mathematics / Triangles

Mathematics / Triangles

A triangle is one of the basic shapes of geometry. It is a polygon with 3 sides and 3 vertices/corners.

Two triangles are said to be congruent if their respective sides and angles are equal.

In order to prove that two triangles are congruent, it is sufficient to prove either of the following conditions:

  • SSS(Side-Side-Side) - 3 sides are respectively equal
  • SAS(Side-Angle-Side) - 2 sides and the included angle are respectively equal
  • ASA(Angle-Side-Angle) - 2 angles and the included side are respectively equal
  • RHS(Right angle-Hypotenuse-Side) - For right angled triangles, Hypotenuse and one side are respectively equal
Topics
Topics
    • Conditions for Congruence of Triangles - Axioms and Theorems
    • Properties of a Triangle
    • Inequalities in a Triangle
    • Isosceles Triangles
    • Introduction to Triangle
    • Review of Triangle

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