Trilinear Polar
Given a Triangle Center 
, the line
is called the trilinear polar of
and is denoted 
.See also Chasles's Polars Theorem- Knot Linking
- Knot Polynomial
- Knot Problem
- Knot Shadow
- Knot Sum
- Knot Theory
- Knot Vector
- Knödel Numbers
- Kochansky's Approximation
- Koch Antisnowflake
- Koch Island
- Koch Snowflake
- Koebe Function
- Koebe's Constant
- Kollros' Theorem
- Kolmogorov-Arnold-Moser Theorem
- Kolmogorov Complexity
- Kolmogorov Constant
- Kolmogorov Entropy
- Kolmogorov-Sinai Entropy
- Kolmogorov-Smirnov Test
- Korselt's Criterion
- Kovalevskaya Exponent
- Kozyrev-Grinberg Theory
- k-Partite Graph