NCERT Grade 9 Maths Chapter 12, Heron’s Formula is a part of Unit V, Mensuration. This chapter is in continuation with what the students have learnt in lower grades related to area of triangle. Students are advised to go through the solutions given for the questions in this chapter to score well in the exams. The topic Introduction depicts about finding area of triangle, areas of equilateral triangle, area of an isosceles triangle using Pythagoras Theorem. This topic is accompanied with interactive activity and some revision questions. The guided solutions for these questions are provided herein in an easy and point to point manner.
The solutions given for the questions under the topics Area of a Triangle – by Heron’s Formula are simple and precise and will further help the students in reinforcing the concept. The topic is explained with what is Heron’s formula, how can we use Heron’s formula to solve various problems and solved examples. The topic Application of Heron’s Formula in finding Areas of Quadrilaterals is explained with detailed content, diagrams, solved examples and in between exercises. The solutions provided for the problems pertaining to these topics are given in step by step and will further help the learners in clarifying the concept.
Solutions are given to the questions of NCERT Grade 9 Chapter12, Heron’s Formula deals with the mentioned concepts in a very simple and comprehensive manner and thus gives a better overview of the complete chapter. Unit V of NCERT Mensuration Grade 9 CBSE has questions for a total of 13 marks in the final examination paper as per the latest pattern.
Get 100 percent accurate NCERT Solutions for Class 9 Maths Chapter 12 (Heron's Formula) solved by expert Maths teachers. We provide step by step solutions for questions given in class 9 maths text-book as per CBSE Board guidelines from the latest NCERT book for class 9 maths. The topics and sub-topics in Chapter 12 Heron's Formula are given below.
Ex 12.1 - Introduction
Ex 12.2 - Area of a Triangle — by Heron’s Formula
Ex 12.3 - Application of Heron’s Formula in Finding Areas of Quadrilaterals
Ex 12.4 - Summary.
We cover all exercises in the chapter given below:-
EXERCISE 12.1 - 6 Questions with Solutions in PDF
EXERCISE 12.2 - 9 Questions with Solutions in PDF
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Heron's Formula. You can also download the free PDF of Chapter 12 Heron's Formula and take the print out to keep it handy for your exam preparation.