The model of building is constructed with scale factor 1 : 30.

i) If the height of the model is 80 cm, find the actual height of the building in metres.

ii) If the actual volume of a tank at the top of the building is 27m³, find the volume of the tank on the top of the model.

24 m , 1000 cm³

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36 m , 1000 cm³

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24 m , 2500 cm³

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31 m , 1500 cm³

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Solution

The correct option is A
24 m , 1000 cm³

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The model of building is constructed with scale factor 1 : 30. i) If the height of the model is 80 cm, find the actual height of the building in metres. ii) If the actual volume of a tank at the top of the building is 27m3, find the volume of the tank on the top of the model.

The correct option is A 24 m , 1000 cm3

The model of building is constructed with scale factor 1 : 30.

i) If the height of the model is 80 cm, find the actual height of the building in metres.

ii) If the actual volume of a tank at the top of the building is 27m³, find the volume of the tank on the top of the model.

The correct option is A
24 m , 1000 cm³