(c) An ant walks directly from to on the surface of the cuboid. A C (i) Draw a straight line on the net to show this route. [1] (ii) Calculate the length of the ant’s journey. cm Answer (c)(ii) …………….…………… [3] (iii) the size of angle on the net. Calculate CAB Angle = Answer (c)(iii) CAB ………...…… [3] 3. (a) Calculate the volume of a cylinder of radius 50 cm and height 138 cm. cm3 Answer (a) ………...……… [2] (b) Write your answer to part (a) in cubic metres. m3 Answer (b) …………..……… [1] 4. The diagram shows a square tile of side 10 centimetres with 4 identical quarter circles shaded. Calculate the area of the unshaded region.
(c) An ant walks directly from A to C on the surface of the cuboid. (i) Draw a straight line on the net to show this route. [1] (ii) Calculate the length of the ant’s journey. Answer (c)(ii) …………….…………… cm [3] (iii) Calculate the size of angle CAB on the net. Answer (c)(iii) Angle CAB = ………...…… [3] 3. (a) Calculate the volume of a cylinder of radius 50 cm and height 138 cm. Answer (a) ………...……… cm3 [2] (b) Write your answer to part (a) in cubic metres. Answer (b) …………..……… m3 [1] 4. The diagram shows a square tile of side 10 centimetres with 4 identical quarter circles shaded. Calculate the area of the unshaded region.