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The formula for the perimeter of ANY regular pentagon isPerimeter = 5 x (length of one side)
Perimeter = All of the lengths of he sides added upPentagon has 5 sides60/5 = 12
You add the five lengths.
Volume is Area of the Base times the Height of the Prism. To find the area of a Regular Pentagon, you use the formula (1/2)*Perimeter*Length of Apothem.
Area = 110.11 cm2