4MA0 Foundation January 2013 Paper 1 Q6
6 The diagram shows 7 shapes, A, B, C, D, E, F and G, on a centimetre square grid.

(a) What is the mathematical name of shape E? (1)
(b) Write down the letters of the two shapes which are congruent. (1)
(c) Mark an obtuse angle on one of the shapes.
Label your angle \(x\). (1)
Label your angle \(x\). (1)
(d) How many lines of symmetry has shape B? (1)
(e) Work out the area of shape C. (2)
| Scheme | Marks |
|---|---|
| Trapezium | B1 |
| (1) |
Notes
B1: (any recognisable spelling) accept trapezoid
| Scheme | Marks |
|---|---|
| D and F or F and D | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| B1 | |
| (1) |
Notes
B1: angle marked in correct place in A or C or E and no errors (can be an arc with no label)
| Scheme | Marks |
|---|---|
| 4 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 10 | B2 |
| (2) |
Notes
B2: B1 for \(8 \leqslant \text{area} \lt 10\) or \(10 \lt \text{area} \leqslant 12\) or \(5 \times 2\)