perimeter

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PERIMETER

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Page 1: Perimeter

PERIMETER

Page 2: Perimeter

PERIMETER• The distance around the polygon /the distance around the outside of the polygon

• To find the perimeter of a polygon, take the sum of the length of each side.

• The distance around geometric figure

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 Find the perimeter of a polygon 

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Example 1: Find the perimeter of a triangle with sides measuring 5 centimeters, 9 centimeters and 11 centimeters.

Example 1: Find the perimeter of a triangle with sides measuring 5 centimeters, 9 centimeters and 11 centimeters.

• It contains three types of triangles equilateral, isosceles and scalene.

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• Find the perimeter of an equilateral triangle with each side measuring 4 centimeters.

• Formula: length(3)

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Examples:

1.Find the perimeter of a triangle with sides measuring 10 inches, 14 inches and 15 inches

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Example 1: Find the perimeter of a square with each side measuring 2 inches

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EXAMPLES:1.The perimeter of a square is 20 feet.

How long is each side?2.The side of the square is 4m. What is

the perimeter of the square.

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Example 2: A rectangle has a length of 8 centimeters and a width of 3 centimeters. Find the perimeter.

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• A rectangle has a length of 12 centimeters and a width of 4 centimeters. Find the perimeter

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Example 5: Find the perimeter of a regular pentagon with each side measuring 3 inches

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Example 6: The perimeter of a regular hexagon is 18 centimeters. How long is one side?

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• The perimeter of a regular pentagon is 100 centimeters. How long is each side?