QUESTION 2 2.1 In the accompanying diagram, P(-9; 12), Q(9: 9) and R(-3; -9) are the coordinates of the three vertices of APQR The gradient of line RQ is 1.5, that is, 3 MRQ 2 P(-9; 12) R(-3:-9) 2.1.1 Calculate the gradient of PQ 2.1.2 Calculate the size of 6, rounded off to ONE decimal digit. 0 Q(9:9)​