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NCERT Solutions for Class 10 Maths Chapter 13 "Surface Areas And Volumes".
List of Important Class 10 Math Formulas (a + b)3 = a3 + b3 + 3ab(a + b) (a ? b)3 = a3 - b3 - 3ab(a ? b) (x + y + z)2 = x2 + y2 + z2 + 2xy + 2yz + 2xz. an = a + (n - 1) d. Sn= n/2 [2a + (n - 1)d] sin2 ? + cos2 ? = 1 ? sin2 ? = 1 - cos2 ? ? cos2 ? = 1 - sin2 ?
For equilateral triangles, the area can be determined using the formula: Area = (?3/4) * a², with 'a' being the side length. In the case of an isosceles triangle, the formula for its area is: Area = ½ * Base * Height, where the height is computed as ?(a² ? b²/4).
There are three exercises in class 10 Maths chapter 13 (statistics). In the first exercise (Ex 13.1), there are nine questions. In the second exercise (Ex 13.2), there are in all six questions. In the third exercise (Ex 13.3), there are in all seven questions.
Quadratic Equations Standard Form of Quadratic Equationax2+ bx + c = 0, a?0Quadratic Formula-b ± ?D?2a or -b ± b2 ? 4ac?2aDiscriminantD = b2 ? 4acSum of Roots?b/aProduct of Rootsc/a