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If I recall correctly, it is 1/2pa where p is the perimeter and a is the apothem. If I'm wrong, hopefully someone can correct me.

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14y ago

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What is the formula to find the perimeter of a regular pentagon with sides 4 cm long?

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What is the formula for calculating the area of a regular pentagon?

The formula is 1/2 (apothem) (perimeter)


What is the formula perimeter of regular pentagon?

The side of the Polygon's measurements multiplied by 5.


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A pentagon can be regular, or irregular.


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A regular pentagon is both equiangular and equilateral.


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To find the exterior angles of a regular pentagon, you can use the formula for the exterior angle of a regular polygon, which is ( \frac{360^\circ}{n} ), where ( n ) is the number of sides. For a pentagon, ( n = 5 ), so the exterior angle is ( \frac{360^\circ}{5} = 72^\circ ). Each exterior angle in a regular pentagon measures 72 degrees.


Is a pentagon a regular or a irregular polygon?

A pentagon can be regular or irregular.


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There are 540 degrees in a regular pentagon. A pentagon consists of 5 angles and in a regular pentagon, each of the angles is 108 degrees.


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