Formula To Find Area Of Pentagon. Area = a² * √(25 + 10√5) / 4, where a is a side of a regular pentagon. The area of a 5 sided polygon can be found out by the formula 5/2 × s × a.
The more complex work usually involves working out the value of the apothem line a first.
Area of a polygon calculator finds the primerer and area of a regular polygon. Not only is a pentagon frequently used in basic geometry, it is a shape useful in architecture and found throughout the natural world. A regular pentagon is a polygon with five edges of equal length. A polygon is a closed plane figure having three or more sides.
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