Geometry
Triangle exradius rₐ
Triangle exradius rₐ is a geometric quantity describing the size or shape of an object.
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rₐ = S / (p − a)
- 01Given
- 02Calculation
- 03Answer
What it means
Triangle exradius rₐ is a geometric quantity describing the size or shape of an object.
How it works and where it is used
Use this calculation for laying out triangular parts, roofs, trusses, and finding centers or unknown sides.