Coaxial
Sharing a common axis
Example: A "Coaxial Cable" has layers that share a common axis.
See: Axis (geometry)
- rational expression
- rational function
- rational number
- ray
- real number
- reciprocal
- rectangle
- rectangular coordinates
- rectangular prism
- recurrence relation
- recurring decimal
- recursion
- recursive
- reduce
- reflection
- reflection symmetry
- reflex angle
- regrouping
- regular
- regular polygon
- regular polyhedron
- relative frequency
- relatively prime
- remainder
- remainder theorem