Foundation November 2020 Paper 2R Q5
5 The diagram shows a quadrilateral \(ABCD\) drawn on a square grid.

(a) Measure the length of \(BC\). (1)
(b) Write down the mathematical name of quadrilateral \(ABCD\). (1)
(c) Write down the order of rotational symmetry of quadrilateral \(ABCD\). (1)
(d) On the diagram, mark an obtuse angle with the letter \(x\). (1)
Here is a diagram of a trapezium.

Diagram NOT accurately drawn
(e) Work out the area of the trapezium. (2)
| Scheme | Marks |
|---|---|
| 3.0 – 3.2 | B1 |
| (1) |
Notes
B1: for in the range 3.0 – 3.2
| Scheme | Marks |
|---|---|
| Parallelogram | B1 |
| (1) |
Notes
B1: allow trapezium
| Scheme | Marks |
|---|---|
| 2 | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| Correctly labelled | B1 |
| (1) |
Notes
B1: Angle \(DAB\) or angle \(DCB\) or both labelled
| Scheme | Marks |
|---|---|
| \(\dfrac{1}{2}(6 + 10) \times 4\) | M1 |
| 32 | A1 |
| (2) | |
| (6 marks) |
Notes
M1: for correct application of formula
allow triangle method
A1: cao