ABCD is a rhombus with A(-3; 8) and C(5 ; -4). The diagonals of ABCD bisect each other at M. The point E(6; 1) lies on BC. 3.1 3.2 3.3 3.4 A(-3; 8) P D 0 O M TR S B E(6; 1) C(5 ; - 4) Calculate the coordinates of M. Calculate the gradient of BC. Determine the equation of the line AD in the form y = mx + c. Determine the size of 0, that is BAC. Show ALL calculations. T (2 (2 (3 [13