NCERT Solutions for Class 9 maths Chapter 12 Heron's formula


Heron’s formula can be used not only to find the area of triangles but also to find the areas of quadrilaterals and other polygons by dividing them into triangles. This can be used to calculate the area of a triangle when the length of all three sides are given. In this method, there is no need to calculate the angles or other distances in the triangle. There are 2 exercises in this chapter which help the student in understanding the method of solving the problems based on Heron’s formula.