5 (a) NOT TO 15 cm SCALE 8 cm A cone has base diameter 8 cm and perpendicular height 15 cm. (i) Calculate the volume of the cone. 1 [The volume, V, of a cone with radius r and height h is V = rr2h.] 3 ......................................... cm3 [2] (ii) A label completely covers the curved surface area of the cone. Calculate the area of the label as a percentage of the total surface area of the cone. [The curved surface area, A, of a cone with radius r and slant height l is A = rrl.] ............................................. % [5] © UCLES 2023 0580/42/M/J/23 11 (b) NOT TO SCALE 0.45 m An empty cylindrical container has radius 0.45 m. 300 litres of water is poured into the container at a rate of 375 ml per second. (i) Find the time taken, in minutes and seconds, for all the water to be poured into the container. ............................. min ............................. s [3] (ii) Calculate the height of the water in the container. ............................................. m [3] © UCLES 2023 0580/42/M/J/23 [Turn over 12 n