Probability A number between 0 and 1 that describes the likelihood of an event occurring. A probability of 0 means the event is impossible, and a probability of 1 means the event is certain. Random...
Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young. - Henry Ford Learning is beautiful,...
Method 1: Let AB = a AC = a BC = 20-2a Angle A = 120 Cos 30 = (20-2a)/a √3/2 = 20-2a/a a√3 = 40-4a a( √3 +4) = 40 a = 40/(√3+4) Method 2: A = b/√3 B(2+√3)...