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Heron’s Formula - NCERT Class 9 Maths

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The chapter 12 begins with the general formula of area of a triangle involving base and height which leads to Heron’s formula involving the three sides of the triangle. Various examples are shown. The focus then shifts to applications of Heron’s formula in finding areas of the quadrilateral. Different examples are shown to demonstrate the same.

Exercise 12.1

Exercise 12.2

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Herons Formula | NCERT Solutions