4. (3 marks)
44
44
44
44
444
ba
ac
acba
ac
acbaca
5. (4 marks)
6. (3 marks)
7. .
(a) In what ratio did it decrease? (1 mark)
5:4150:120
(b)
(2 marks)
cm
cmwidthnew
112
1405
4
8. Given the following currency exchange rate, calculate to 3 significant figures the number of dollars that
can be exchanged for 25 Sterling pounds.
1 US dollar ($) = Ksh 76.85
1 Sterling pound (£) = Ksh 115.30
9. .
(4 marks)
10. . (3 marks)
11. . (3 marks)
12. . (3 marks)
13. . (3 marks)
14. . (3 marks)
15. . (4 marks)
2
2
2
2
2.93638512100
110
8512173650401736
5040
30402
128
7
2240
2
128
7
22
1736
284022
11414
7
22
cmneededMetal
cmareatotal
cm
areasurfacecurved
cm
Areabase
16. .
(a) 352015PTRangle ( 2 marks)
(b) ( 2 marks)
105
360)35180(9020
QYP
QYP
17. (a) (4 marks)
(b) (2 marks)
1122
1.01.4
ACB
cmcmAC
(c) Construct a circle that passes through A, B and C. (3 marks)
(d) What is the radius of this circle? (1 mark)
cmradius 1.02.5
18. .(a) (4 marks)
(2 marks)
(2 marks)
(2 marks)
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