Apps. and Interpretation for IBDP Maths Ebook 1 | Page 104

Your Practice Set – Applications and Interpretation for IBDP Mathematics 4. In a three-dimensional coordinate system with vertical z -axis, the coordinates of the point P and Q are ( � 16, 8, 24) and (29, � 100, h) respectively, where h � 24 . It is given that PQ � 195 . (a) Find the value of h . [2] Q is translated upward by 156 units to reach the point R , such that the triangle PQR is a right-angled triangle. (b) Find the angle of depression of Q from P . P is the mid-point of QS . [2] (c) Find the coordinates of S . [2] 94 SE Production Limited