Inradius of Octagon Solution

STEP 0: Pre-Calculation Summary
Formula Used
Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon
ri = ((1+sqrt(2))/2)*le
This formula uses 1 Functions, 2 Variables
Functions Used
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
Inradius of Octagon - (Measured in Meter) - The Inradius of Octagon is the radius of incircle of the Regular Octagon or the circle that contained by the Octagon with all edges touch the circle.
Edge Length of Octagon - (Measured in Meter) - The Edge Length of Octagon is the length of any edge of the Regular Octagon.
STEP 1: Convert Input(s) to Base Unit
Edge Length of Octagon: 10 Meter --> 10 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ri = ((1+sqrt(2))/2)*le --> ((1+sqrt(2))/2)*10
Evaluating ... ...
ri = 12.0710678118655
STEP 3: Convert Result to Output's Unit
12.0710678118655 Meter --> No Conversion Required
FINAL ANSWER
12.0710678118655 12.07107 Meter <-- Inradius of Octagon
(Calculation completed in 00.004 seconds)

Credits

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Created by Mona Gladys
St Joseph's College (SJC), Bengaluru
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Verified by Shweta Patil
Walchand College of Engineering (WCE), Sangli
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Inradius of Octagon Calculators

Inradius of Octagon given Long Diagonal
​ Go Inradius of Octagon = ((sqrt(2+sqrt(2)))/4)*Long Diagonal of Octagon
Inradius of Octagon given Circumradius
​ Go Inradius of Octagon = (sqrt(2+sqrt(2))/2)*Circumradius of Octagon
Inradius of Octagon
​ Go Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon
Inradius of Octagon given Medium Diagonal
​ Go Inradius of Octagon = Medium Diagonal of Octagon/2

Radius of Octagon Calculators

Circumradius of Octagon
​ Go Circumradius of Octagon = sqrt(1+(1/sqrt(2)))*Edge Length of Octagon
Inradius of Octagon
​ Go Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon
Inradius of Octagon given Height
​ Go Inradius of Octagon = Height of Octagon/2
Inradius of Octagon given Width
​ Go Inradius of Octagon = Width of Octagon/2

Inradius of Octagon Formula

Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon
ri = ((1+sqrt(2))/2)*le

What is an Octagon?

Octagon is a polygon in geometry, which has 8 sides and 8 angles. That means the number of vertices is 8 and the number of edges is 8. All the sides are joined with each other end-to-end to form a shape. These sides are in a straight line form; they are not curved or disjoint with each other. Each interior angle of a regular octagon is 135° and each exterior angle will be 45°.

How to Calculate Inradius of Octagon?

Inradius of Octagon calculator uses Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon to calculate the Inradius of Octagon, The Inradius of Octagon formula is defined as the radius of incircle of the Regular Octagon or the circle that contained by the Octagon with all edges touch the circle. Inradius of Octagon is denoted by ri symbol.

How to calculate Inradius of Octagon using this online calculator? To use this online calculator for Inradius of Octagon, enter Edge Length of Octagon (le) and hit the calculate button. Here is how the Inradius of Octagon calculation can be explained with given input values -> 12.07107 = ((1+sqrt(2))/2)*10.

FAQ

What is Inradius of Octagon?
The Inradius of Octagon formula is defined as the radius of incircle of the Regular Octagon or the circle that contained by the Octagon with all edges touch the circle and is represented as ri = ((1+sqrt(2))/2)*le or Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon. The Edge Length of Octagon is the length of any edge of the Regular Octagon.
How to calculate Inradius of Octagon?
The Inradius of Octagon formula is defined as the radius of incircle of the Regular Octagon or the circle that contained by the Octagon with all edges touch the circle is calculated using Inradius of Octagon = ((1+sqrt(2))/2)*Edge Length of Octagon. To calculate Inradius of Octagon, you need Edge Length of Octagon (le). With our tool, you need to enter the respective value for Edge Length of Octagon 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 Inradius of Octagon?
In this formula, Inradius of Octagon uses Edge Length of Octagon. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Inradius of Octagon = (sqrt(2+sqrt(2))/2)*Circumradius of Octagon
  • Inradius of Octagon = ((sqrt(2+sqrt(2)))/4)*Long Diagonal of Octagon
  • Inradius of Octagon = Medium Diagonal of Octagon/2
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