Monohedral Tiling
A Tiling is which all tiles are congruent.
See also Anisohedral Tiling, Isohedral Tiling
References
Berglund, J. ``Is There a Grünbaum, B. and Shephard, G. C. ``The 81 Types of Isohedral Tilings of the Plane.'' Math. Proc. Cambridge Philos. Soc. 82, 177-196, 1977.
-Anisohedral Tile for 
?'' Amer. Math. Monthly 100, 585-588, 1993.
- Circuminscribed
- Circumradius
- Circumscribed
- Circumsphere
- Cis
- Cissoid
- Cissoid of Diocles
- Cissoid of Diocles Caustic
- Cissoid of Diocles Inverse Curve
- Cissoid of Diocles Pedal Curve
- Clairaut's Differential Equation
- Clarity
- Clark's Triangle
- Class
- Class (Group)
- Classical Groups
- Classification
- Classification Theorem
- Class Interval
- Class (Map)
- Class (Multiply Perfect Number)
- Class Number
- Class Number Formula
- Class Representative
- Class (Set)