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NCERT Solutions for Class 9

NCERT Solutions for Class 9 Maths Chapter 12 Free PDF Download

NCERT Solutions for Class 9 Maths Chapter 12 Heron’s Formula

NCERT Solutions for Class 9 Maths Chapter 12 will strengthen student’s ability to find the area of the triangle of any type. It will help students to apply the formula in an easy way for the area of triangles so that they can score better marks.  NCERT Solutions for Class 9 Maths Chapter 12 Heron’s Formula is extremely helpful in completing the syllabus and getting a better level of understanding.  These NCERT Solutions give step by step solution for every question for finding the area of a triangle and other shapes and also help students to do their homework in an easy way.

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CBSE Class 9 Maths Chapter 12 – Heron’s Formula

NCERT Solutions for Class 9 Maths Chapter 12 Heron’s Formula help students to understand the triangle and the relevant formula for finding the area of a triangle as well as of quadrilateral in a self-explanatory method. The different types of problems and examples will help the student to get strong concepts of the different shapes in geometry.

Sub-topics covered under NCERT Solutions for Class 9 Maths Chapter 12

  • 12.1: Introduction
  • 12.2: Area of a Triangle — by Heron’s Formula
  • 12.3: Application of Heron’s Formula in Finding Areas of Quadrilaterals
  • 12.4: Summary

NCERT Solutions for Class 9 Maths Chapter 12

NCERT Solutions for Class 9 Maths Chapter 12 Heron’s Formula help students to understand this fundamental chapter of Mathematics. This will create a strong basic understanding of Heron’s Formula which is very popular in geometry-based computations. The different types of triangles and quadrilaterals will give a strong understanding to the students. 

Let us discuss the sub-topics in detail.

12.1: Introduction

Students know the process to compute the area of a triangle whose base and height are known. But for general triangle area calculation is difficult. In this chapter, they will learn the method for doing this with the help of the famous Heron’s Formula.

12.2: Area of a Triangle — by Heron’s Formula

Heron’s formula is very helpful for finding the area of a triangle if we know the lengths of all three sides of it. In this formula, we first find the value of half of the perimeter of the triangle and then apply the calculation. This formula is also applicable for the right-angled triangle and isosceles triangle.

12.3: Application of Heron’s Formula in Finding Areas of Quadrilaterals

This formula can be used to find the area of the shapes of quadrilateral by dividing it into triangles on its diagonal. So for quadrilateral all sides and one diagonal are given, then the student can find its area easily. By dividing it into two triangles. Students will learn this method and can apply it to many problems.

12.4: Summary

This chapter is very important for solving various geometrical problems easily. Heron’s Formula is very easy to understand and to apply.

NCERT Solutions for Class 9 Maths Chapter 12

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