Contents
The publication presents online calculators and formulas for calculating the radius of a circle circumscribing a triangle: arbitrary, rectangular and equilateral (regular).
Content
Calculating the radius of a circle
As an example, the figure below shows a circle circumscribed around an arbitrary triangle.
Instructions for use: enter the required sides of the triangle (depending on its type), then press the button “Calculate”. As a result, the radius will be calculated (R) circumscribed circle around the figure.
Arbitrary triangle
Calculation formula
Right triangle
Through the legs
Calculation formula
Through the hypotenuse
Calculation formula
Equilateral (regular) triangle
Calculation formula
