Question

In cuboid: length=20cm, breadth=12cm, height=10cm.
Total surface area of cuboid=.....sq.c​

Answer 1

Answer:

2400 cm

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Answer 2

Answer:

Given: Length(l) = 20cm

Breadth(b) = 12cm

Height(h) = 10cm

$total \: surface \: area \: of \: cuboid = 2(lb + bh + lh) \\ = 2(20 \times 2 + 12 \times 10 + 20 \times 10) \\ = 2(40 + 120 + 200) \\ = 2(360) = 720 \: {cm}^{2}$

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