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serious [3.7K]
3 years ago
6

A rectangular piece of paper measuring 25cm by 21cm is

Mathematics
2 answers:
timurjin [86]3 years ago
6 0
The surface area is the area of the rectangle - it has been rolled so no different.

25 x 21 = 525 cm^2
kvasek [131]3 years ago
4 0

The area of the piece of paper is (25cm x 21cm) =  525 cm² .

There's no reason it should change when you bend the paper
into different shapes.
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