1MA0 Foundation November 2016 Paper 2 Q11
11 Here is a shaded shape drawn on a centimetre grid.
(a) Work out the perimeter of this shape. (2)
(b) What fraction of the grid is shaded?
Give your answer in its simplest form. (2)
Give your answer in its simplest form. (2)
(c) On the grid above, shade in 3 more squares so that the completed shape has exactly one line of symmetry. (1)
(d) On this grid, shade in 3 more squares so that the completed shape has rotational symmetry of order 2 (1)
| Answer | Mark | Notes |
|---|---|---|
| 14 cm | 2 | B1 for 14 B1 for cm |
| Answer | Mark | Notes |
|---|---|---|
| \(\frac{1}{8}\) | 2 | M1 for \(\frac{7}{56}\) or 0.125 A1 cao |
| Answer | Mark | Notes |
|---|---|---|
| three squares correctly added | 1 | B1 for 3 squares shaded to give a shape with one line of symmetry |
| Answer | Mark | Notes |
|---|---|---|
| three squares correctly added | 1 | B1 for 3 squares shaded to give a shape with rotational symmetry of order 2 |