1 4346 2 2456 2 marks 7 The figure below represents a kite ABCD AB AD 15cm The

# 1 4346 2 2456 2 marks 7 the figure below represents a

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1 + 4.346 2 24.56 (2 marks) 7 The figure below represents a kite ABCD, AB = AD = 15cm. The diagonals BD and AC intersect at O, AC= 30cm and AO = 12 cm. 3

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Find the area of the kite. (3 marks) 8 Evaluate 28 – ( -18) _ 15 – (-2) (-6 ) (3 marks) -2 3 9 Four business partners, Munyao, Kinuva, Mutiso and Mango, made a profit of sh 5600 in one month. They set a side 25% of this profit for running the business. They then shared the rest in the ratio 2:3:4;6 respectively. How much did Mango get? (3 marks) 4
10 If x = 3 , y = 2 , z = -1, calculate the value of 2x 2 – y z. (2 marks) 11 The figure below shows a sector of a circle. If the area of the sector is 30.8cm 2 . (3 marks) (a) Find the radius of the circle. (2 marks) 5

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(b) Hence, find the length of the arc AB. (Take π to be 22 / 7 (3 marks) 12 Without using tables evaluate. (3 marks) 3.9 + 2.13 0.195 0.0426 13 Factorize completely x y – 2ax + 2ay – y 2 . (2 marks) 6
14 A farmer has twice as many goats as cows and half as many pigs as cows. If he has 45 pigs in his farm, how many animals does he keep altogether? (3 marks) 15 To fence one side of his farm, a farmer requires 25 posts placed 4 m a part. How many posts would he require if the posts were 3 m apart? (2marks) 7

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16 Find the area of a sector of a circle radius 11.9cm, if the angle at the centre the circle is 55 0 (Take π = 22 / 7 ) (2 marks) 17 A room has two windows each measuring 1 m by 1.5m and a door measuring 2 m by 1m. The walls are 3m by 3m each. Find the cost of painting the inner surface of the walls at sh 5.50 per m 2 ? (2mark. 8
• Fall '18
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