0580 P22 - Jun 2014 - Q21 - 6 marks
15575
A pyramid has square base ABCD. Diagonals AC and BD are 8 cm and meet at M; P is vertically above M. Every sloping edge is 6 cm. Find:
(a) the perpendicular height PM; [3]
(b) the angle between a sloping edge and the base. [3]