A rectangular grass park measures 100 m by 60 m. A cement path of constant width is to be paved around the perimeter (inside the park). How wide should the path be if there is only
enough-cement to cover 500m of area?

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.