A water tank is made with a right-angled trapezium - shaped vertical cross-section so that when it is placed on sloping ground the top of the tank is level. The dimension are given in the diagram above

By what number will you multiply your answer in 22 above to determine the capacity of the tank in liters?

  • A 1/10
  • B 1
  • C 10
  • D 100
  • E 1000
waec 1988mathematics

The correct answer is E. 1000

1m = 100cm, 1m3 = (100cm)3 = 106 cm3

but 1000cm4 = 1liter. 106 cm3 = 1000liters.

1m3 = 1000liters.

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