## < 11 Other formulas that you can solve using the same Inputs

Area of a regular polygon when circumradius is given
Area of regular polygon=(Radius Of Circumscribed Circle^2*Number of sides*sin((2*pi*180)/(Number of sides*pi)))/2 GO
Side of regular inscribed polygon
Side of regular inscribed polygon=2*Radius Of Circumscribed Circle*sin(180/Number of sides) GO
Area of a regular polygon when length of side is given
Area of regular polygon=(Side^2*Number of sides)/(4*tan((pi*180)/(Number of sides*pi))) GO
Area of regular polygon with perimeter and inradius
Area of regular polygon=(Perimeter of Regular Polygon*Inradius of Regular Polygon)/2 GO
Interior angle of regular polygon
Interior angle of regular polygon=((Number of sides-2)*180)/Number of sides GO
Sum of the interior angles of regular polygon
Sum of the interior angles of regular polygon=(Number of sides-2)*180 GO
Inradius of Regular Polygon=(Side)/(2*tan(180/Number of sides)) GO
Radius of regular polygon=Side/(2*sin(180/Number of sides)) GO
Perimeter of Regular Polygon
Perimeter of Regular Polygon=Number of sides*Side GO
Number of Diagonals
Diagonals=(Number of sides*(Number of sides-3))/2 GO
Measure of exterior angle of regular polygon
Measure of exterior angle =360/Number of sides GO

## < 4 Other formulas that calculate the same Output

Area of a regular polygon when circumradius is given
Area of regular polygon=(Radius Of Circumscribed Circle^2*Number of sides*sin((2*pi*180)/(Number of sides*pi)))/2 GO
Area of regular polygon with perimeter and circumradius
Area of regular polygon=(Perimeter of Regular Polygon*sqrt(Radius Of Circumscribed Circle^2-Side^2/4))/2 GO
Area of a regular polygon when length of side is given
Area of regular polygon=(Side^2*Number of sides)/(4*tan((pi*180)/(Number of sides*pi))) GO
Area of regular polygon with perimeter and inradius
Area of regular polygon=(Perimeter of Regular Polygon*Inradius of Regular Polygon)/2 GO

### Area of a regular polygon when inradius is given Formula

Area of regular polygon=(Inradius of Regular Polygon^2*Number of sides*tan((pi*180)/(Number of sides*pi)))
More formulas
Perimeter of Regular Polygon GO
Inradius of a Regular Polygon GO
Area of regular polygon with perimeter and inradius GO
Interior angle of regular polygon GO
Number of Diagonals GO
Measure of exterior angle of regular polygon GO
Sum of the interior angles of regular polygon GO
Side of regular inscribed polygon GO
Area of regular polygon with perimeter and circumradius GO
Area of a regular polygon when circumradius is given GO
Area of a regular polygon when length of side is given GO
Interior angle of a regular polygon when sum of the interior angles are given GO
Apothem of a regular polygon GO
Apothem of a regular polygon when the circumradius is given GO
Perimeter of a regular polygon when inradius and area are given GO
Perimeter of a regular polygon when circumradius and area are given GO
Perimeter of a regular polygon when circumradius is given GO
Perimeter of a regular polygon when inradius is given GO
Side of a regular polygon when perimeter is given GO
Side of a regular polygon when area is given GO

## How to define a regular polygon?

A regular polygon has sides of equal length and equal angles between each side. A regular n-sided polygon has rotational symmetry of order n and it is also known as a cyclic polygon. All the vertices of a regular polygon lie on the circumscribed circle.

## How to Calculate Area of a regular polygon when inradius is given?

Area of a regular polygon when inradius is given calculator uses Area of regular polygon=(Inradius of Regular Polygon^2*Number of sides*tan((pi*180)/(Number of sides*pi))) to calculate the Area of regular polygon, Area of a regular polygon when inradius is given can be defined as the number of square units needed to fill the polygon. An inscribed circle is enclosed inside the polygon and its radius is known as inradius. Area of regular polygon and is denoted by A symbol.

How to calculate Area of a regular polygon when inradius is given using this online calculator? To use this online calculator for Area of a regular polygon when inradius is given, enter Number of sides (n) and Inradius of Regular Polygon (ir) and hit the calculate button. Here is how the Area of a regular polygon when inradius is given calculation can be explained with given input values -> 6.818238 = (1.37^2*5*tan((pi*180)/(5*pi))).

### FAQ

What is Area of a regular polygon when inradius is given?
Area of a regular polygon when inradius is given can be defined as the number of square units needed to fill the polygon. An inscribed circle is enclosed inside the polygon and its radius is known as inradius and is represented as A=(ir^2*n*tan((pi*180)/(n*pi))) or Area of regular polygon=(Inradius of Regular Polygon^2*Number of sides*tan((pi*180)/(Number of sides*pi))). The number of Sides is used to classify the polygons and Inradius of Regular Polygon is the distance between the center of a regular polygon and the midpoint of the side.
How to calculate Area of a regular polygon when inradius is given?
Area of a regular polygon when inradius is given can be defined as the number of square units needed to fill the polygon. An inscribed circle is enclosed inside the polygon and its radius is known as inradius is calculated using Area of regular polygon=(Inradius of Regular Polygon^2*Number of sides*tan((pi*180)/(Number of sides*pi))). To calculate Area of a regular polygon when inradius is given, you need Number of sides (n) and Inradius of Regular Polygon (ir). With our tool, you need to enter the respective value for Number of sides and Inradius of Regular Polygon and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Area of regular polygon?
In this formula, Area of regular polygon uses Number of sides and Inradius of Regular Polygon. We can use 4 other way(s) to calculate the same, which is/are as follows -
• Area of regular polygon=(Perimeter of Regular Polygon*Inradius of Regular Polygon)/2
• Area of regular polygon=(Perimeter of Regular Polygon*sqrt(Radius Of Circumscribed Circle^2-Side^2/4))/2
• Area of regular polygon=(Radius Of Circumscribed Circle^2*Number of sides*sin((2*pi*180)/(Number of sides*pi)))/2
• Area of regular polygon=(Side^2*Number of sides)/(4*tan((pi*180)/(Number of sides*pi))) Let Others Know