Use this advanced math calculator to calculate the properties of a polygon.
Units = mm cm metres inches feet yards
Length of sides mm
Interior angle (x) - must be less than 180 degrees
Exterior angle (y) degrees (If either of the angles are changed then the nearest number of sides will be used and angles adjusted)
Circumradius (R) mm
Inradius (r) mm
Area square mm
Polygon name = Triangle (or Trigon)
You can refine the calculations by controlling the number of decimal places that the calculator calculates to. The default is 4 decimal places.
0 1 2 3 4 5 6 7 8 9 Decimal Places
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