3 marks 13 Use a number line to evaluate 2 2 2 10 3 marks 14 Three businessmen

3 marks 13 use a number line to evaluate 2 2 2 10 3

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12) Calculate the unknown angles marked by letters x, y and z in the figure below. (3 marks) 13) Use a number line to evaluate: (-2)+ (-2) + (-2) + (+10) (3 marks) 14) Three businessmen Makokha, Owuor and Wakoli contributed a total of sh.120 000 to start a business. The ratio of the contributions of Makokha and Owuor was 2: 3 and that of Owuor to Wakoli was 2 : 5. How much did Owour contribute? (3 marks) 6 P A B y x 69 0 z C 57 D Q R
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15) A cylindrical water tank is of diameter 7 metres and height 280 cm. Find the capacity of the water tank in litres. (3 marks) 16) Evaluate without using mathematical tables: 0.0625 x 2.56 0.25 x 0.08 x 0.5 (3 marks) 7
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SECTION II (50 MARKS) Answer all questions in this section . 17) Using a rule and a pair of compasses only. a) Construct triangle ABC in which AB = 4.8 cm, BC = 5.3 and angle ABC = 60 0 measure AC. (3 marks) b) Construct the bisectors of any two angles of the triangle and let the bisectors meet at R. Draw a perpendicular from R to line AB such that it cuts AB to M with R as centre and radius RM, draw a circle. Measure RM and hence find the difference in the area of the circle and the are of the triangle. (7 marks) 8
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18) Ali travels at a speed of 5km/hr from village A to village B for 2 hours in the direction 060 0 . He then changes course and travels at a speed of 4kmk/h in direction 135 0 to village C for 2 hours. Find by scale drawling: a) The distance in kilometers between A and C.
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