Both upper and lower bound round to 0.238 C1 (Total 5 marks) Question 18. The diagram shows a solid metal cylinder. The cylinder has base radius 2x cm and height cm. h The metal cylinder is melted. All the metal is then used to make 162 spheres. Each sphere has a radius of cm. Find an expression, in its simplest form, for in terms of h x. Volume of cylinder = 162 × volume of sphere = 162 × × × P1 = h = M1 h = h = 2x A1 h (Total 3 marks) Question 19. Make the subject of n
Both upper and lower bound round to 0.238 C1 (Total 5 marks) Question 18. The diagram shows a solid metal cylinder. The cylinder has base radius 2x cm and height h cm. The metal cylinder is melted. All the metal is then used to make 162 spheres. Each sphere has a radius of cm. Find an expression, in its simplest form, for h in terms of x. Volume of cylinder = 162 × volume of sphere = 162 × × × P1 h = h = M1 h = h = 2x A1 (Total 3 marks) Question 19. Make n the subject of
pixl_ppe_march_edexcel_3h_ws.docx