Answer:
a) The diagram shows a hemisphere with radius 6 cm.
 Calculate the volume.
 Give the units of your answer.
 (The volume, V, of s sphere with radius r is V = 4/3πr³)
 b). The diagram shows a prism ABCDEF. 
 The cross-section is a right angled triangle BCD. BD = 10 cm, BC = 5.2 cm and ED = 18 cm. 
 (i) a) Work out the volume of the Prism.
 b) Calculate the angle BEC
 c) The point G lies on the line ED and GD = 7 cm. Work out angle BGE
(Cambridge Assessment International Education. 0580/42, October/November 2019, Q 4) 
 (a)	
 (b)(i)a	
(b)(i)b	
 (b)(i)c	
2. The diagram shows a sector of a circle of radius 3.8 cm. 
 The arc length is 7.7 cm. 
 (i) Calculate the value of y.
 (ii) Calculate the area of the sector.
(Cambridge Assessment International Education. 0580/42, May/June 2019, Q 8b) 
 (i)	
(ii) 
3