👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they ...

A triangle is a polygon. It is a closed 3-sided shape made up of straight lines. The ‘tri-’ part of the word triangle means three. A triangle has 3 sides and 3 angles. Interior angles are the angles ...

Class 9 Maths Chapter 7 - Triangles of the latest NCERT Book is available here for download in PDF format. Also, check here some important questions from the chapter to prepare for the CBSE Board Exam ...