Geometry

Apothem from radius and side

Apothem from radius and side is a geometric quantity describing the size or shape of an object.

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aₚ = √(R²−(a/2)²)

What it means

Apothem from radius and side is a geometric quantity describing the size or shape of an object.

How it works and where it is used

Use this calculation for constructing regular polygons, laying out circles, and estimating cladding.