4MA0 Foundation January 2015 Paper 2 Q6

6 The diagram shows a quadrilateral \(ABCD\) on a grid.

Grid with x from -5 to 5 and y from -2 to 5; quadrilateral with A(-3, 4), B(4, 2), C(4, -1), D(-3, -1); angle x marked at A
(a) Write down the coordinates of the point
(i) \(B\)
(ii) \(D\)
(2)
(b) Write down the mathematical name for the quadrilateral \(ABCD\). (1)
(c)
(i) Write down the mathematical name for the angle marked \(x\).
(ii) Measure the size of the angle marked \(x\).
(2)