Regular polygon circumscribed to a circle Calculator

Calculates the side length and area of the regular polygon circumscribed to a circle.

Regular polygon circumscribed to a circle
number of sides n
    1. n=3,4,5,6....
inradius r

side length a
    1.  
polygon area Sp
    1.  
circle area Sc
    1.  
area ratio Sp/Sc
    1.  
    Regular polygon circumscribed to a circle
    [1-10] /24Disp-Num
    BACK NEXT
    [1]  2022/06/04 01:38   20 years old level / An office worker / A public employee / Very /
    Purpose of use
    Patterning cloth cover for cylindrical bucket
    [2]  2021/05/06 21:39   30 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    To determine the open diameter of an expanding ring-like structure with 8 hinge units.
    [3]  2021/01/08 23:00   40 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    Determining lengths of sides of polygonal frame around a round gateway
    [4]  2020/04/19 04:16   60 years old level or over / A retired person / Very /
    Purpose of use
    Calculating rounded root for gear tooth space
    [5]  2019/08/10 13:45   50 years old level / An engineer / Very /
    Purpose of use
    determining the smallest size of turntable to support 36 tracks on an HO scale model railroad
    [6]  2019/04/05 12:52   60 years old level or over / A retired person / Very /
    Purpose of use
    Central play station game piece planning
    [7]  2019/02/19 20:14   20 years old level / High-school/ University/ Grad student / A little /
    Purpose of use
    Wished that you could enter a perimeter and it give you a radius
    [8]  2018/06/09 12:47   60 years old level or over / A retired people / Very /
    Purpose of use
    Used to create a Pentagon for a power tool workstation with the biggest possible sides. Thanx for the calculator and the effort.
    [9]  2018/03/20 15:04   60 years old level or over / An engineer / Useful /
    Purpose of use
    Building a wooden frame. Didn''t want to spend the time to derive calculations myself.
    [10]  2018/03/20 11:37   Under 20 years old / High-school/ University/ Grad student / - /
    Comment/Request
    area of regular polygon circumscribed about the circle

    BACK NEXT

    Thank you for your questionnaire.

    Sending completion



    Back

    To improve this 'Regular polygon circumscribed to a circle Calculator', please fill in questionnaire.
    Age


    Occupation


    Useful?

    Purpose of use?
    Comment/Request (Click here to report a bug).Bug report (Click here to report questionnaire.)
    Calculation bug(Please enter information such as specific input values, calculation result, correct result, and reference materials (URL and documents).)
    Text bug(Please enter information such as wrong and correct texts)
    Your feedback and comments may be posted as customer voice.
    送信