15 A cuboidal open tank is made of iron, the width of iron being 1.5 cm. Its external dimensions are 33 cm, 28 cm and 16.5 cm. Calculate its volume in litres. (Take 1000 cm = 1 litre.)
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Answer:
The volume of the iron tank is 11.25 litres.
Step-by-step explanation:
The external dimensions of the open tank made of iron are given below,
Length = 33 cm
Breadth = 28 cm
Height = 16.5 cm
The width of the iron is 1.5 cm
Internal dimensions of the iron tank is,
Length = 33 - 1.5 - 1.5 = 30 cm
Breadth = 28 - 1.5 - 1.5 = 25 cm
Height = 16.5 - 1.5 = 15 cm
We have to calculate the volume of the tank,
Volume of a cuboid is given as length × breadth × height
Volume of the iron tank = 30×25×15 = 11250 cm³ = 11.25 litres (∵1000 cm³ = 1 litre)
Volume of the wooden tank is 11.25 litres.
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