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)
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