0580 P42 - Nov 2013 - Q4 - 12 marks
15971
A wedge of cheese is a prism cut from a cylinder of height h cm. Its radius is 8 cm and AOB = 42°.
(a(i)) Its volume is 90 cm³. Show that h = 3.84 cm to 2 decimal places. [4]
(a(ii)) Calculate its total surface area. [5]
(b) A similar wedge has volume 22.5 cm³. Find its height. [3]