radius, plural radii ~ A Maths Dictionary for Kids Quick Reference by Jenny Eather

Quick Reference ~ A maths Dictionary for Kids by Jenny Eather

Rr
radius, plural radii • the distance from the centre of a circle to its circumference. • the distance from the centre of a regular polygon to a vertex. • the distance from the centre of a sphere to any point on its surface. EXAMPLES:

radius, plural radii

• the distance from the centre of a circle to its circumference.
• the distance from the centre of a regular polygon to a vertex.
• the distance from the centre of a sphere to any point on its surface.

EXAMPLES:
radius, plural radii
circle terminology


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