; B1 for all correct entries Correct 2 B1 for one correct column drawn histogram B1 for columns drawn on graph 17 2812.5cm2 4 M1 for volume scale factor LSF ; ASF M1 for linear scale factor M1 for A1 cao 18 3 M1 for process to complete the square M1 for process to find value of or A1 cao 19 30.6cm2 5 P1 for splitting the shape into triangles and sectors one triangle P1 for base of triangle seen 4 triangles P1 for process to find angle of sector ; ; ; area of sector P1 for area of sector ie seen ; A1 cao 20 55.7 4 M1 for upper and lower bound of and UB, LB M1 for using lowest value of and highest value of UB, LB M1 for correct substitution into formula A1 cao 21 47.4km 3 for using Pythagoras Theorem eg M1 for using Pythagoras theorem eg
; Correct histogram 2 B1 B1 B1 for all correct entries for one correct column drawn for columns drawn on graph 17 LSF ; ASF 2812.5cm2 4 M1 M1 M1 A1 for volume scale factor for linear scale factor for cao 18 3 M1 M1 A1 for process to complete the square for process to find value of or cao 19 one triangle 4 triangles ; ; ; area of sector ; 30.6cm2 5 P1 P1 P1 P1 A1 for splitting the shape into triangles and sectors for base of triangle seen for process to find angle of sector for area of sector ie seen cao 20 UB, LB UB, LB 55.7 4 M1 M1 M1 A1 for upper and lower bound of and for using lowest value of and highest value of for correct substitution into formula cao 21 47.4km 3 M1 for using Pythagoras Theorem eg for using Pythagoras theorem eg