5 The diagram shows quadrilateral ABCD on a 1cm2 grid. y 4 3 B C 2 1 – 4 – 3 – 2 – 1 0 1 2 3 4 x – 1 – 2 A D – 3 – 4 (a) Write down the coordinates of point B. (...................... , ......................) [1] (b) Write down the mathematical name of quadrilateral ABCD. ................................................. [1] (c) Find the area of quadrilateral ABCD. ......................................... cm2 [1] (d) On the grid, plot the point E at (–3,2). [1] SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM S