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Chapter 1 Numbers Systems

Chapter 2 Polynomials

Chapter 4 Linear Equations In Two Variables

Chapter 6 Lines And Angle

Chapter 7 Triangle

Chapter 8 Quadrilateral

Chapter 9 Area of parallelograms and triangles

Chapter 10 Circles

Chapter 12 Herons's Formula

Chapter 13 Surface Area And Volume

NCERT Solutions for class 9 maths chapter 12

Heron's Formula

NCERT Solutions for class 9 maths chapter 12 Exercise 12.2

image22  ex 12.2 class 9 maths
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image17  ex 12.2 solution class 9 maths
image18 ncert exercise 12.2 chapter 12  class 9 maths solution
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image21  ch12 ex 12.2 class 9 maths