# Incircle of a regular polygon Calculator

## Calculates the radius and area of the incircle of a regular polygon.

 number of sides n n＝3,4,5,6.... side length a 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit inradius r diameter φ incircle area Sc polygon area Sp area ratio Sc/Sp
Incircle of a regular polygon
 [1-9] /9 Disp-Num5103050100200
[1]  2022/09/14 19:15   40 years old level / Others / Very /
Purpose of use
Optimal diameter of pipe section to tightly connect each vertex of 5 timber struts for geodesic dome. Cannot be bothered (today) trying to figure out from first principles. Thankyou!
[2]  2020/06/22 07:29   Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
make a lantern
Comment/Request
thank you very much
[3]  2020/03/09 14:52   20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
programming
[4]  2018/09/25 00:13   60 years old level or over / A retired person / Very /
Purpose of use
Designing a skeletal SciFi space-tug with pentagonal symmetry to grapple and haul 10 kilotonne fuel tanks...
[5]  2018/03/30 03:53   Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
to study for TCSIT Geometry
[6]  2018/03/06 14:19   Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
to learn a lot
[7]  2017/05/07 10:09   30 years old level / Others / Very /
Purpose of use
Building base for above ground circular pool. Handy to calculate radius / diameter.
[8]  2011/07/24 23:00   50 years old level / Others / Very /
Purpose of use
constructing colums/woodworking
Comment/Request
impressed, this function is one of the least common but very useful to me
[9]  2010/05/22 03:06   50 level / A teacher / Very /
Purpose of use
to check my answers
Comment/Request
i am a civil engineer Msc holder and i teach maths to students and engineers and explain to them how to use and implement math problems in their practical works.

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