The measure of a box are 40cm,30cm amd 20cm respectively how much square cm cloth is required to make the cover of box
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Answer:
5200 cm²
Step-by-step explanation:
box is a cuboid
let the height=20cm, length=40cm, breadth= 30cm
cloth needed to cover the surface of the box= total surface area of that box
= 2(lb+bh+lh)
= 2(40×30+30×20+20×40)
= 2(1200+600+800)
= 2(2600)
= 5200 cm²
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