SURFACE AREA OF SPHERE:- If, the radius of a sphere=r Then, SURFACE AREA OF SPHERE=4πr2 Ex;- If, radius of a sphere=r=14cm SURFACE AREA OF SPHERE=4πr2 ...
R = Real Numbers: All rational and irrational numbers are called real numbers. I = Integers: All numbers from (…-3, -2, -1, 0, 1, 2, 3…) are called integers. Q = Rational Numbers: Real...
A quadratic equation is very important for a student who studies in 10th std or competitive exam. I learned one. I've searched before and not so many people know about it, so I'm helping you guys now....
For a right angled triangle, with one angle θ (which is not the right angle), the trigonometric ratios are defined as follows: sin θ = Perpendicular / Hypotenuse (corresponding to the angle...