Circumcircle of a triangle Calculator

Calculates the radius and area of the circumcircle of a triangle given the three sides.

Circumcircle of a triangle
side a
side b
side c

circumradius r
    1.  
diameter φ
    1.  
circumcircle area Sc
    1.  
triangle area St
    1.  
area ratio Sc/St
    1.  
    Circumcircle of a triangle
    [1-10] /17Disp-Num
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    [1]  2021/09/15 01:55   40 years old level / Others / Very /
    Purpose of use
    I am a machinist, I have a 3 fluted tapered tool that no longer matches the dimensions of the manufacture spec. I gathered the distance between flutes 1 & 3 and calculated the new diameter of the tool to use as an offset in the CNC machine.
    [2]  2021/04/30 00:52   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Made sure that I was doing my geometry right.
    [3]  2021/01/14 01:33   20 years old level / A teacher / A researcher / Very /
    Purpose of use
    Find minimum pipe size accommodating triangular cross-section design
    [4]  2020/05/02 15:27   50 years old level / A retired person / Very /
    Purpose of use
    Calculate Pitch circle diameter (PCD) for part to be made with CNC router.
    [5]  2020/03/31 15:27   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    SAT prep.
    Comment/Request
    Thank you.
    [6]  2020/02/22 12:44   60 years old level or over / A retired person / Very /
    Purpose of use
    Calculate the dimensions of a replacement part to be 3D printed
    [7]  2020/01/31 17:39   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    homework
    [8]  2019/09/01 22:09   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Learn Circumscribing.
    [9]  2019/06/09 00:31   60 years old level or over / A retired person / Very /
    Purpose of use
    Writing myself a BASIC computer program to mill polygon shapes from steel bar stock, I'm a hobby machinist
    Comment/Request
    Thanks for access to formulae.
    [10]  2019/05/01 19:22   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    To calculate inner diameter for a 3d printer retaining ring on the back of a headlight reflector housing.

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