Question

closed box is 40 cm long 50 cm wide and 60 cm find the area of foil needed for carving it​

Answer 1

Answer:

Step-by-step explanation:

Area of foil needed=2(lb+bh+hl)

=2(40×50+50×60+60×40)

=2(2000+3000+2400)

=2×7400

=14800cm^2

Hope it help

Answer 2

Answer:

14800 cm²

Step-by-step explanation:

There is no doubt that the box is a cuboid.

In a cuboid if the length is given by L, width is given by W and height is given by H, then the total surface area of the cuboid is given by 2(LW+WH+HL).

Now, it is given that the box is 40 cm. long i.e. L=40 cm, 50 cm wide i.e. W=50 cm. and 60 cm deep i.e. H=60 cm.

Hence the total surface area of the box is 2(40*50+50*60+60*40)

=2(7400)

=14800 cm².

Hence, 14800 cm² area of foil needed for covering the closed box. (Answer)

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