The diagram shows a quadrilateral $$\(A B C D\)$$ drawn on a square grid. (a) Measure the length of $$\(B C\)$$. $$\(\mathrm{cm}\)$$ (1) (b) Write down the mathematical name of quadrilateral $$\(A B C D\)$$. (1) (c) Write down the order of rotational symmetry of quadrilateral $$\(A B C D\)$$. (1) (d) On the diagram, mark an obtuse angle with the letter $$\(x\)$$. (1) Here is a diagram of a trapezium. Diagram NOT accurately drawn (e) Work out the area of the trapezium. $$\(\mathrm{cm}^{2}\)$$ (2)

Answer:

Knowledge points:

Solution: