A triangle is a three-sided polygon with three vertices and edges, it is one of the basic shapes in geometry. Any three non-collinear points determine a unique triangle that exists on a single two-dimensional plane. Triangles can be categorized into different types defined by their side lengths or angles.

2. A triangle is a polygon with three edges and
three vertices. It is one of the basic shapes in
geometry. A triangle with vertices A, B, and C is
denoted ABC.
In Euclidean geometry any three points, when
non-collinear, determine a unique triangle and
a unique plane (i.e. a two-dimensional
Euclidean space).

3. DIFFERENT TYPES OF TRIANGLE

4. THANK YOU