Question

langth =16 breadth =40 height =20.
Find total surface area of cuboid ​

Answer 1

Answer:

Total surface area of cuboid =2(lb+bh+hl)

Here, l =16

Breadth =40

Height =20

So,

TSA = 2(16×40+40×20+20×16)

→ 2(640+800+320)

→ 2(1760)

→ 2×1760

→3520 square units

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Answer 2

Answer:

total surface area of cuboid=2(lb+bh+hl)

=2[(16*40)+(40*20)+(20*16)]

=2(640+800+320)

2(1760)

=3520 square units