An aquarium is in the form of a cuboid

Asked by admin @ in Math viewed by 146 People

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?

Answered by admin @


Answer:

Area of the paper required =7000 cm²

Step-by-step explanation:

Dimensions of an Aquarium:

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 + 2×Area of two side faces + Area of the back side

(Front side should be visible,So, it is not covered )

= lb+2×bh+lh

= 80×30+2×(30×40)+80×40

= 2400+2×1200+3200

= 2400+2400+3200

= 7000 cm²

Therefore,

Area of the paper required =7000 cm²

•••♪


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