Incircle of a regular polygon Calculator

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

Incircle of a regular polygon
number of sides n
    1. n=3,4,5,6....
side length a

inradius r
    1.  
diameter φ
    1.  
incircle area Sc
    1.  
polygon area Sp
    1.  
area ratio Sc/Sp
    1.  

    Incircle of a regular polygon
    [1-6] /6Disp-Num
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    [1]  2018/09/25 09:13   Male / 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...
    [2]  2018/03/30 12:53   Male / Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    to study for TCSIT Geometry
    [3]  2018/03/06 23:19   Female / Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    to learn a lot
    [4]  2017/05/07 19:09   Male / 30 years old level / Others / Very /
    Purpose of use
    Building base for above ground circular pool. Handy to calculate radius / diameter.
    [5]  2011/07/25 08:00   Male / 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
    [6]  2010/05/22 12:06   Male / 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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