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Title: How to solve these Elementary Maths question? Post by: bdavis on Jan 4, 2013 1) A polygon has n sides. If one of its interior angles is 84 deg, and the other interior angles are each equal to 156 deg, find n.
2a) If a product of two positive integers is a prime number, what must be the value of the smaller integer? 2b) Given that x and y are positive integers, solve x^squared - y^squared = 13 3) Given that 950k is a perfect cube, find the smallest possible value of k. Please include workings. Very grateful for your help. Title: How to solve these Elementary Maths question? Post by: Bharti on Jan 4, 2013 1) 84 + 156(n-1) = 180(n-2)
n = 12 2a) 1 2b) 7^2 - 6^2 = 13 3) 950 = 2 x 5 x 5 x 19 K = 2 x 2 x 5 x 19 x 19 = 7220 |