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It is a distance around a shape, example: Say I have a square in my hands well...you should know that a square has equal sides, right? Each side of that square I have is 4 ce…ntimeters so all you do is add up all the sides. Like....4cm+4cm+4cm+4cm=16cm.That is what the perimeter is of THIS square! So basically it's the sum of all the sides of a shape. Perimeter is the sum of all of the sides of a shape. Another way of looking at it is, the perimeter is the distance around an object, if you travel along the "walls". If you go outside to one corner of your house, and walk around the house right along the wall, you have walked the perimeter of the house. (MORE)

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Perimeter is the distance around a object. Example: I have a square. One of the four sides of the square is 4 meters. To find the perimeter of polygon, you add all the len…gths together. In this case, you would add 4+4+4+4 (or simply 4x4). The perimeter of this square is 16 meters. (MORE)

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Perimeter is a term applied to the boundary of a shape or object. It is the distance around the outside of it. A link is provided below.

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In geometry, add the lengths of all the sides of the figure together to get the perimeter. Answer is usually in units centimeters, inches, feet, meters etc.

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In Geometry

To find the perimeter of a figure, add all the lengths of the edgesof the figure. The sum of the sides is the perimeter.

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The perimeter of an area or object is the total length of all sides. Measure each side with a ruler, yardstick, tape measure, etc... Add all of these numbers together, and you… will have the perimeter. (MORE)

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Example 1: .
Find the perimeter of a triangle with sides measuring 5 centimeters, 9 centimeters and 11 centimeters. .
Solution: .
P = 5 cm + 9 cm + 11 cm = 25 cm … .
Example 2: .
A rectangle has a length of 8 centimeters and a width of 3 centimeters. Find the perimeter. .
Solution 1: .
P = 8 cm + 8cm + 3 cm + 3 cm = 22 cm .
Solution 2: .
P = 2(8 cm) + 2(3 cm) = 16 cm + 6 cm = 22 cm .
In Example 2, the second solution is more commonly used. In fact, in mathematics, we commonly use the following formula for perimeter of a rectangle: , where is the perimeter, is the length and is the width. .
In the next few examples, we will find the perimeter of other polygons. .
Example 3: .
Find the perimeter of a square with each side measuring 2 inches. .
Solution: .
= 2 in + 2 in + 2 in + 2 in = 8 in .
Example 4: .
Find the perimeter of an equilateral triangle with each side measuring 4 centimeters. .
Solution: .
= 4 cm + 4 cm + 4 cm = 12 cm .
A square and an equilateral triangle are both examples of regular polygons . Another method for finding the perimeter of a regular polygon is to multiply the number of sides by the length of one side. Let's revisit Examples 3 and 4 using this second method. .
Example 3: .
Find the perimeter of a square with each side measuring 2 inches. .
Solution: .
This regular polygon has 4 sides, each with a length of 2 inches. Thus we get: .
= 4(2 in) = 8 in .
Example 4: .
Find the perimeter of an equilateral triangle with each side measuring 4 centimeters. .
Solution: .
This regular polygon has 3 sides, each with a length of 4 centimeters. Thus we get: .
= 3(4 cm) = 12 cm .
Example 5: .
Find the perimeter of a regular pentagon with each side measuring 3 inches. .
Solution: .
= 5(3 in) = 15 in .
Example 6: .
The perimeter of a regular hexagon is 18 centimeters. How long is one side? .
Solution: .
= 18 cm .
Let represent the length of one side. A regular hexagon has 6 sides, so we can divide the perimeter by 6 to get the length of one side (). .
= 18 cm Ã· 6 .
= 3 cm .
Summary: .
To find the perimeter of a polygon, take the sum of the length of each side. The formula for perimeter of a rectangle is: . To find the perimeter of a regular polygon, multiply the number of sides by the length of one side. . (MORE)

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That depends on exactly what you want to 'do' to it or with it. Do you want to calculate it ? Spell it ? Define it ? Walk around it ? Send it in Morse Code ? The perimete…r of an area or object is the total distance around its boundary. Measure each side with a ruler, yardstick, tape measure, etc. Then add all of these numbers together, and you have the perimeter. (MORE)

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Because From the Latin/Greek root Peri, comes from the word around/surround. Meter was thrown at the end of it so it would literally mean surrounding meter or length. Thus we …have Perimeter =] (MORE)

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Add up all the sides of the object you're trying to find the perimeter for.