Question

A chical box has each edge 10 cm and another cuboidal box is 123 cm long. 10 cm
wide and 8 cm high
Which box has the greater lateral surface area and by how much
Which box has the smaller total surface area and by how much​

Answer 1

1 . At first LSA of cube =4a²

=4× 10 ²

=400 cm²

Now LSA of cuboid= 2(l+b)h

=2(2.5+10)8

=2×22.5×8

=45×8

=360 cm²

There fore cube has a larger surface area.

2. Now the TSA of cube = 6a²

=6×10²

=600 cm²

Now the TSA of cuboid is

=2(lb+bh+hl)

=2(12.5×10+10×8+8×12.5)

=2(125+80+100)

=2×305

=610cm²

Therefore here cube has the smaller TSA.

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Answer 2

Step-by-step explanation:

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