2(lb + bh + hl) is formula of

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Area of a cuboid

Area of a cube

Volume of a cuboid

None of these

answer is A.

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Detailed Solution

We have to find out for what, the formula 2(lb + bh + hl) is used.
Consider option 1,
Area of a cuboid =2 (lh + lw+ hw)
Where, l = length
h= height
w= width
So, option 1 is correct.
Consider option 2,
Area of a cube = 6

a^{2}

Where a is the side of the cube.
So, option 2 is not correct.
Consider option 3,
Volume of a cuboid = l

\times

\times

h
Where l = length
b= breadth
h= height.
So, option 3 is not correct.
Thus, the formula 2(lb + bh + hl) is used to find the area of a cuboid.
Thus, the correct option is 1.

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