Internet Scholar

If you don t know the perimeter calculate it from the side length. Type in the polygon side length.

Regular Polygons Finding Apothem Central Angle Area 6

Area of polygon n apothem 2 tan π n when we don t know the apothem we can use the same formula but re worked for radius or for side.

Area of regular pentagon. Use this calculator to calculate properties of a regular polygon. Enter any 1 variable plus the number of sides or the polygon name. 4 plug the values of a and p in the formula and get the area.

Area of a regular pentagon pa 2 where p the perimeter and a the apothem. The area of any regular polygon is. If you want to calculate the area of a regular polygon using other parameters than the side length check out this general regular polygon calculator.

Interior angles of 108 exterior angles of 72 area of approximately 1 7204774 s2 where s side length. It can be regular as well as irregular. P 5s where s is the side length.

A pentagon is a five sided polygon in geometry. Area a x p 2 where a is the length of the apothem and p is the perimeter of the polygon. Our area of polygon calculator displays the area.

A area p perimeter π pi 3 1415926535898 square root calculator use polygon calculator. A 1 2 p r displaystyle a frac 1 2 pr where p is the perimeter of the polygon and r is the inradius equivalently the apothem. What is the area of the regular pentagon below.

Area of polygon n radius 2 sin 2 π n. 2 use the side length. Of diagonals is given n n 3 2 where n 5.

A regular pentagon has. The area of any regular polygon is given by the formula. In our example it s equal to 5 in.

A regular polygon is equilateral it has equal sides and equiangular it has equal angles. Know the correct formula. What is the area of the regular octagon below.

The number of diagonals in a pentagon are five. The sides and angles of a regular pentagon are equal with each interior angle equals to 108 degrees and its exterior angle is equal to 72 degrees. To find the area of a regular polygon you use an apothem a segment that joins the polygon s center to the midpoint of any side and that is perpendicular to that side segment hm in the following figure is an apothem.