5.←4r VFigure 3Figure 3 shows a uniform solid S formed by joining the plane faces of two solid right circular cones, of base radius r, so that the centres of their bases coincide at O. One cone,with vertex V, has height 4r and the other cone has height kr, where k 4(a) Fin...
I’ve always been fascinated by the ideas of science and math—and even when I was little, I could get passionate about them. I remember getting into a tremendous quarrel with my father when I was about six when he was helping me with an arithmetic question: “What’s seven take away ...
The Saint stopped in the same position he had occupied seven days before, but did not speak. George looked upon him with mild curiosity. His white clothes were stained with mud with small rips here and there, but were unbloodied. “Any luck finding that wyrm?” asked George. The Saint ...