How do you work out the perimeter of a rectangle?

Answer 1

Take the length of the rectangle and multiply it by the width.

For example, if I had a rectangle with two sides 4 inches in length and two sides 3 inches in length, then the area would be 4x3, which equals 12 square inches.

Answer 2

You have to add up all the side of the shape.

E.g 2cm + 2cm + 4 cm + 4cm would = it. If it was a four side shape.

All you have to do is add up all the sides and that's it.

Answer 3

The area of a rectangle is bh. b is base, and h is height.

Answer 4

Most rooms are rectangular. So, if the length of the room is L metres and the width is W metres then the perimeter is 2*(L+W) metres.

Answer 5

If the sides of the rectangle are x and y units, then the diameter is sqrt(x2 + y2).

Answer 6

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