Fx Copy
LaTeX Copy
Inradius of Regular Polygon is the line connecting the center of the polygon to the midpoint of one of the Regular Polygon's sides. The inradius is also the radius of the incircle. Check FAQs
ri=P2NStan(πNS)
ri - Inradius of Regular Polygon?P - Perimeter of Regular Polygon?NS - Number of Sides of Regular Polygon?π - Archimedes' constant?

Inradius of Regular Polygon given Perimeter Example

With values
With units
Only example

Here is how the Inradius of Regular Polygon given Perimeter equation looks like with Values.

Here is how the Inradius of Regular Polygon given Perimeter equation looks like with Units.

Here is how the Inradius of Regular Polygon given Perimeter equation looks like.

12.0711Edit=80Edit28Edittan(3.14168Edit)
You are here -
HomeIcon Home » Category Math » Category Geometry » Category 2D Geometry » fx Inradius of Regular Polygon given Perimeter

Inradius of Regular Polygon given Perimeter Solution

Follow our step by step solution on how to calculate Inradius of Regular Polygon given Perimeter?

FIRST Step Consider the formula
ri=P2NStan(πNS)
Next Step Substitute values of Variables
ri=80m28tan(π8)
Next Step Substitute values of Constants
ri=80m28tan(3.14168)
Next Step Prepare to Evaluate
ri=8028tan(3.14168)
Next Step Evaluate
ri=12.0710678118655m
LAST Step Rounding Answer
ri=12.0711m

Inradius of Regular Polygon given Perimeter Formula Elements

Variables
Constants
Functions
Inradius of Regular Polygon
Inradius of Regular Polygon is the line connecting the center of the polygon to the midpoint of one of the Regular Polygon's sides. The inradius is also the radius of the incircle.
Symbol: ri
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Perimeter of Regular Polygon
The Perimeter of Regular Polygon is the total distance around the edge of the Regular Polygon.
Symbol: P
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Number of Sides of Regular Polygon
The Number of Sides of Regular Polygon denotes the total number of sides of the Polygon. The number of sides is used to classify the types of polygons.
Symbol: NS
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
tan
The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle.
Syntax: tan(Angle)

Other Formulas to find Inradius of Regular Polygon

​Go Inradius of Regular Polygon
ri=le2tan(πNS)
​Go Inradius of Regular Polygon given Circumradius
ri=rccos(πNS)
​Go Inradius of Regular Polygon given Area
ri=ANStan(πNS)

How to Evaluate Inradius of Regular Polygon given Perimeter?

Inradius of Regular Polygon given Perimeter evaluator uses Inradius of Regular Polygon = Perimeter of Regular Polygon/(2*Number of Sides of Regular Polygon*tan(pi/Number of Sides of Regular Polygon)) to evaluate the Inradius of Regular Polygon, Inradius of Regular Polygon given Perimeter formula is defined as the line connecting the center of the polygon to the midpoint of one of the Regular Polygon's sides, calculated using its perimeter. Inradius of Regular Polygon is denoted by ri symbol.

How to evaluate Inradius of Regular Polygon given Perimeter using this online evaluator? To use this online evaluator for Inradius of Regular Polygon given Perimeter, enter Perimeter of Regular Polygon (P) & Number of Sides of Regular Polygon (NS) and hit the calculate button.

FAQs on Inradius of Regular Polygon given Perimeter

What is the formula to find Inradius of Regular Polygon given Perimeter?
The formula of Inradius of Regular Polygon given Perimeter is expressed as Inradius of Regular Polygon = Perimeter of Regular Polygon/(2*Number of Sides of Regular Polygon*tan(pi/Number of Sides of Regular Polygon)). Here is an example- 12.07107 = 80/(2*8*tan(pi/8)).
How to calculate Inradius of Regular Polygon given Perimeter?
With Perimeter of Regular Polygon (P) & Number of Sides of Regular Polygon (NS) we can find Inradius of Regular Polygon given Perimeter using the formula - Inradius of Regular Polygon = Perimeter of Regular Polygon/(2*Number of Sides of Regular Polygon*tan(pi/Number of Sides of Regular Polygon)). This formula also uses Archimedes' constant and Tangent (tan) function(s).
What are the other ways to Calculate Inradius of Regular Polygon?
Here are the different ways to Calculate Inradius of Regular Polygon-
  • Inradius of Regular Polygon=(Edge Length of Regular Polygon)/(2*tan(pi/Number of Sides of Regular Polygon))OpenImg
  • Inradius of Regular Polygon=Circumradius of Regular Polygon*cos(pi/Number of Sides of Regular Polygon)OpenImg
  • Inradius of Regular Polygon=sqrt(Area of Regular Polygon/(Number of Sides of Regular Polygon*tan(pi/Number of Sides of Regular Polygon)))OpenImg
Can the Inradius of Regular Polygon given Perimeter be negative?
No, the Inradius of Regular Polygon given Perimeter, measured in Length cannot be negative.
Which unit is used to measure Inradius of Regular Polygon given Perimeter?
Inradius of Regular Polygon given Perimeter is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Inradius of Regular Polygon given Perimeter can be measured.
Copied!