3 years ago

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

2 answers:

6 0

The surface area is the area of the rectangle - it has been rolled so no different.

25 x 21 = 525 cm^2

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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