Important Questions for CBSE Class 9 Mathematics Areas of Parallelograms and Triangles The topics and sub-topics in NCERT Class 9 Maths Text Book Chapter 12 Heron's Formula: Heron’s Formula Introduction Area Of A Triangle – By Heron’s Formula Application Of Heron’s Formula In Finding Areas Of Quadrilaterals Summary IMPORTANT QUESTIONS VERY SHORT ANSWER … [Read more...]