Contents
The publication presents online calculators and formulas for calculating the radius of a circle inscribed in a triangle: arbitrary, rectangular, isosceles and equilateral (correct).
Content
Calculating the radius of a circle
In the figure below, as an example, a circle is inscribed in 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) a circle inscribed in a figure.
Arbitrary triangle
Calculation formula
Right triangle
Calculation formula
Isosceles triangle
Calculation formula
Equilateral (regular) triangle
Calculation formula
