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5 marksArea of Plane Shapes

CSEC Mathematics · January 2004 · Paper 2 · Question 4(b)(i)

A block of wood is a semi-circular prism. The cross-section is a semi-circle with diameter 30 cm. The length of the prism is 1.2 metres. Use π = 3.14.

Calculate, giving your answer correct to 3 significant figures, the area, in cm², of the cross section.

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Other parts of this question

  1. 4(a)(i)How long did it take the bus to travel from South Point to Bird Park?[6 marks]
  2. 4(a)(ii)South Point is 80 km away from Bird Park. Calculate the speed of the bus, in km/h, along this section of the route.[6 marks]
  3. 4(b)(ii)Calculate, giving your answer correct to 3 significant figures, the volume, in cm³, of the prism.[5 marks]

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