Triangles — CBSE Class 9 Maths Worksheets

Congruence criteria, properties of isosceles triangles, and inequalities in a triangle.

Regular practice on Triangles helps Class 9 students build confidence in Maths — short, focused worksheets reinforce what's taught in class far better than one long study session. Every worksheet is generated fresh with a matching answer key, so you can check your child's work without re-solving it yourself.

By the end of this chapter, students should be able to: Apply the SSS, SAS, ASA and RHS congruence criteria; Apply the base-angles property of an isosceles triangle; Apply the relationship between a triangle's angles and its side lengths.