The fifth interior angle is four lines the sixth Find the fifth interior angle

# The fifth interior angle is four lines the sixth find

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The fifth interior angle is four lines the sixth. Find the fifth interior angle of the hexagon. (3marks) 10. A and B are points on the circumference of a circle, centre O and radius 7cm. find the area of the minor sector AOB if AB=6.2cm. ( ∏= 22 / 7 ) (3 marks) 11. The sides of a rectangle are reduced by 32%, calculate the percentage decrease in the area of the rectangle. (3 marks) 4

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12. The internal radius of a pipe is 0.35m. Water flows through the pipe at 45cm per minute. What volume of water passes through the pipe In 3¼ hours. (4 marks) 13. Use mathematical table to evaluate. (0.0067359) ½ (2 marks) 14. Un umbrella and a pen are sold at a discount of 8% and 3% respectively. Calculate the overall discount offered on the two commodities, if the cost of the umbrella is four times that of a pen. (3 marks) 5
15. The radii of the sector OAB and Okl 8hour in he figure are 10cm and 7cm respectively. Given that angle AOB =40 0 , find the area of the shaded region. (∏ = 22 / 7 ) (3 marks) 16. Use a ruler and a pair of compass only to construct triangle PQR in which PQ=4.3cm, OR =3.9cm and angle PQR is 135 0 . Measure PR. (3 marks) 17. Given the simultaneous equations.

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• Fall '18
• ANYANZWA

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