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# How to find the perimeter of a rectangle

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We all once in school begin to study the perimeterRectangle. So the word "perimeter" comes from two Greek words:? Peri ?, which means "around", "about" and "metron", which means "measure", "measure" ".

Those. Perimeter, in Greek means "measuring around".

Instructions

1

Its first definition can be expressed as follows: The perimeter of a rectangle is the sum of the lengths of all its sides. To find the perimeter you need to add all its sides. The perimeter is denoted by the Latin letter P. The sides of the rectangle are denoted by a, b, c and d.

Those. P = a + b + c + d

2

The second definition would be: the perimeter of a rectangle is twice the sum of its length and width.

The length is the longer pair of its sides(We denote them by the letter a), and the width by a shorter pair of its sides (denoted by the letter b). The opposite sides of the rectangle are equal. Those. The perimeter can be calculated as follows: P = (a + b) * 2 or P = a * 2 + b * 2

How to find the perimeter of a rectangle Was last modified: June 21st, 2017 By
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