Question

3. Surface area of a cuboid
measuring 3mx2mx1.5m is​

Answer 1

2(lb + bh + hl)

2 ( 3×2 + 2×1.5 + 1.5× 3)

2(6+3+4.5)

2× 13.5

27m²

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Answer 2

Answer:

3m×2m×1.5m.

Surface area of cuboid=2lw+2lh+2hw.

=2(lw+lh+hw).

l=length.

w=width.

h=height.

l=3m, w=2m, h=1.5m.

Surface area of cuboid=2((3)(2)+(3)(1.5)+(1.5)(2)).

=2(6+4.5+3).

=2(9+4.5).

=2(13.5).

=27m².

I think this is your answer.