all the chapter equations for mathematics class 9
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The formulas are given here as per the NCERT syllabus for all the topics such as Algebra, Geometry, Polynomials, etc.
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Geometry.
Geometry Shapes Formulas for Class 9
Trapezoid A = (1⁄2) × h × (b1+ b2) P = a + b + c + d
Parallelogram A = b × h P = 2 (a+b)
Circle A = π r2 C = 2 π r
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