a cuboidal fish tank has a length 30 cm breadth of 20 cm height of 20cm that tank is placed on a horizontal table and the Three quarters full of water find the area of tanks which is in contact with water
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Answer:
Given
Length of tank =30cm
Breadth of tank =20cm
Height of tank =20cm
As the tank is three-quarters full of water
So, the height of water in the tank =20×
4
3
=15cm
Hence,
Area of the tank in contact with the water = Area of floor of tank + Area of 4 walls upto 15cm
=30×20+2(30+20)×15=600+2×50×15=2100cm
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