perimeter
TRANSCRIPT
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
Find the perimeter of a polygon
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.
• Find the perimeter of an equilateral triangle with each side measuring 4 centimeters.
• Formula: length(3)
Examples:
1.Find the perimeter of a triangle with sides measuring 10 inches, 14 inches and 15 inches
Example 1: Find the perimeter of a square with each side measuring 2 inches
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.
Example 2: A rectangle has a length of 8 centimeters and a width of 3 centimeters. Find the perimeter.
• A rectangle has a length of 12 centimeters and a width of 4 centimeters. Find the perimeter
Example 5: Find the perimeter of a regular pentagon with each side measuring 3 inches
Example 6: The perimeter of a regular hexagon is 18 centimeters. How long is one side?
• The perimeter of a regular pentagon is 100 centimeters. How long is each side?