Question

A plastic box 1.5 m long, 1.25 m thick and 2 m deep. find the area

Answer 1

Answer:

The box is a rectangle

area of rectangle =l×b

l=1.5m

b=1.25m

=1.5×1.25=1.875m²

volume of cuboid =l×b×h

=1.5×1.25×2=

3.75m³

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Answer 2

[HeY Mate]

Answer:

Given,

Length = 1.5m

Breadth = 1.25m

Height = 2m

Three dimensions are given, hence it is a cuboid.

Solution:

$area \: of \: cuboid = 2(lb + bh + hl) \\ = 2(1.5 \times 1.25 + 1.25 \times 2 + 2 \times 1.5) \\ = 2(1.875 + 2.5 + 3) \\ = 2(7.375) \\ = 10.375m {}^{2}$

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