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Question

An aquarium is in the form of a cuboid whose external measures are 80cm×30cm×40cm. The base, side faces and back face are to be covered with a coloured paper. Find the area of the paper needed?


A
3000cm2
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B
5000cm2
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C
8000cm2
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D
7000cm2
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Solution

The correct option is C. 8000cm2

Area of paper required = area of base + 2 area of side + area of back

=(80×30)+2(30×40)+(80×40)

=2400+2400+3200

=8000cm2


1064821_1164747_ans_63e20f6936c14c02aaf4333b44071ee7.png


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