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3 marksVolume of Solids

CSEC Mathematics · Question 5(b)(i)

A tank has a cross section with dimensions identical to the polygon EFGHIJ in 5(a). Water is poured into the tank at a rate of 75 cm³ per second. After 52 seconds the tank is 2/5 full.

Determine the capacity of the tank, in litres.

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Other parts of this question

  1. 5(a)(i)What is the name of the polygon shown above?[1 mark]
  2. 5(a)(ii)Calculate the perimeter of the polygon EFGHIJ.[1 mark]
  3. 5(a)(iii)Determine the size of each interior angle of the polygon.[2 marks]
  4. 5(a)(iv)Show, by calculation, that the area of the polygon, to the nearest whole number, is 65 cm².[3 marks]
  5. 5(b)(ii)Calculate the height, h, in metres, of the tank.[2 marks]

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