In the following figure, find the coordinates of the points that represent : (i) the vertices of the end points of the line segment AB. (ii) the centre C of the circle. (iii) the vertices of the triangle PQR (iv) the vertices of the parallelogram KLMN.
Answer
(i) $A (1,-2), B (6,4)$ (ii) $C (-1,4)$ (iii) $P (-7,-4), Q (-5,2), R (-4,-6)$ (iv) $K (7,-6), L (3,-9), M (3,-5), N (7,-2)$