find the cardboard required to make a closed box of length 0.25 M breadth = 20 cm and height 15 cm
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Answer: 2350cm^2
Step-by-step explanation: use the formula of total surface area of a cuboid
I.e. 2( lb + bh + hl)
Given : length (l) = 0.25 m = 25 cm
Breadth (b) = 20 cm
Height (h) = 15cm
Therefore, total surface area will be = 2( (25)(20) +(20)(15)+(15)(25))
= 2350cm^2
The area of cardboard required is 2350cm^2
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