Question

This is a cuboid.
If the Lower part of this cuboid is open , then write the formula for it's Total Surface Area.​

Answer 1

Answer:

TSA of a cuboid is 2(lb)×(bh)×(hl)

if the lower part is open then we have to minus that surface .

2(lb)×(bh)×(hl) - lxb

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Answer 2

Explanation:

SA=2(lw+lh+hw)

this is the formula for find the surface area of cuboid