Answers by visitors named: Namrata shakya

Given A=45 , B = 3 A∝B^2 That means A= k B^2 Where k is proportionality sign a) 45 = 9 k k = 5 ( constant of proportionality) b) A = 5 B^2 c) when B =6 A=? A = 36×5 A= 180 I hope it will help you.