Class 8 Maths Formulas List?

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Rational numbers formula class 8 maths formulas for class 6 to 8 math formula class 8 icse class 8 maths chapter 8 all formulas formulas of maths of class 9 geometry formulas for class 8 maths formulas for class 8 state board maths formulas for class 7 maths tricks for class 8 pdf mensuration formulas class 8 in hindi.

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कक्षा 8 के लिए बीजगणितीय सूत्र (Algebraic Formula For Class 8)

 Identities Algebraic Equation (a + b)2 a2 + 2ab + b2 (a − b)2 a2 − 2ab + b2 (a + b) (a – b) a2 – b2 (x + a) (x + b) x2 + (a + b)x + ab (x + a) (x – b) x2 + (a – b)x – ab (x – a) (x + b) x2 + (b – a)x – ab (x – a) (x – b) x2 – (a + b)x + ab (a + b)3 a3 + b3 + 3ab (a + b) (a – b)3 a3 – b3 – 3ab (a – b)

2 डी आकार के लिए ज्यामिति सूत्र (Geometry Formulas for 2D Shapes)

 Geometric Area Area Formula Perimeter Square a2 4a Rectangle a × b 2(a + b) Circle πr2 2 πr Triangle ½(b × h) P = a + b + c
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ठोस आकृतियों के लिए ज्यामिति सूत्र (Formulas for Solid Shapes)

 Name of the Solid Type Formula Cuboid Lateral / Curved Surface Area 2h (l + b) Total Surface Area 2 (lb + bh + hl) Volume l × b × h Cube Lateral / Curved Surface Area 4a2 Total Surface Area 6a2 Volume a3 Right Prism Lateral / Curved Surface Area Perimeter of Base × Height Total Surface Area Lateral Surface Area + 2(Area of One End) Volume Area of Base × Height Right Circular Cylinder Lateral / Curved Surface Area 2 (π × r × h) Total Surface Area 2πr (r + h) Volume πr2h Right Pyramid Lateral / Curved Surface Area ½ (Perimeter of Base × Slant Height) Total Surface Area Lateral Surface Area + Area of the Base Volume ⅓ (Area of the Base) × Height Right Circular Cone Lateral / Curved Surface Area πrl Total Surface Area πr (l + r) Volume ⅓ (πr2h) Sphere Lateral / Curved Surface Area 4πr2 Total Surface Area 4πr2 Volume 4/3 (πr3) Hemisphere Lateral / Curved Surface Area 2πr2 Total Surface Area 3πr2 Volume ⅔ (πr3)