Question

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➠An aquarium is in the form of a cuboid whose external measures are 80 cm x 30 cm x 40 cm. The base, side faces and back face are to be covered with a coloured paper. Find the area of the paper needed?
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Answer 1

Answer:

96000

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Length (l) = 80 cm ,

Breadth (b) = 30 cm

, Height (h) = 40 cm /*

According to the problem given,

Area of the paper required = Area of the base + 2xArea of two side faces + Area of the back side (Front side should be visible, So, covered ) =lb+2* bh+lh =80*30+2*(30*40)+80*40 =2400+2* 2x1200+3200 =2400+240 =7000 cm^ 2 Therefore, Area of the paper required y = 7000 cm ^ 2