Theorems on Triangles

**Triangle:**A triangle is a three-sided polygon. It is the polygon with the least number of sides.

We denote this triangle as ΔPQR. Here, are the sides of ΔPQR. The points P, Q and R are the vertices of ΔPQR and the angles are ∠RPQ, ∠PQR and ∠QRP.

- A triangle can be classified on the basis of …

To view the complete topic, please