22 The diagram shows a cylinder with radius 15 cm and height 20 cm.
Not to scale
(a) On the grid below, draw the plan view of the cylinder.
Use the scale 1 cm represents 5 cm.
[2]
(b) On the grid below, draw the front elevation of the cylinder.
Use the scale 1 cm represents 5 cm.
[2]
Mark scheme (a)
Answer
Marks
Part marks and guidance
Circle radius 3 cm
2
B1 for circle any radius or for 3 indicated as the radius or for correct circle with internal lines
Allow freehand for 2 marks or for B1 If vertical and horizontal diameters are consistent
6 indicated as the diameter implies B1 B1 could be implied on a diagram but condone for 2 marks if correct circle and internal lines are diameter or radius
Mark scheme (b)
Answer
Marks
Part marks and guidance
Rectangle 6 cm (width) by 4 cm (height)
2
B1 for any rectangle with no internal lines or for correct rectangle but good freehand
All lines must be ruled for 2 marks.
If both (a) and (b) are reversed but otherwise correct allow SC2 for both correct or SC1 for one correct