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Relationships Within Triangles

Medians Centroid and Examples

In mathematics, the median is a measure of the "middle" value of a data set. The median is a commonly used measure of the properties of a set in statistics and probability theory. The median of a finite list of numbers can be found by arranging all the numbers from smallest to greatest, and finding the middle one. For example, the median of the list [3, 4, 6, 7, 8, 9] is 6. If there is an even number of elements, then there is no single middle value. In this case, one may take the mean of the two middle values. For example, the median of the list [3, 4, 4, 6, 7, 8, 9] is (4+6)/2 = 4.5.

Kurt Kleinberg

Altitude Example

Altitudes

Angle Bisector Examples

Angle Bisectors and Incenters

Identifying Congruent Triangles Quick

Intro to Congruent Triangles

Isosceles and Equilateral Triangles

Isoscelese and Equilateral Examples

Medians Centroid and Examples

Proving Triangles Congruent Cont

Proving Triangles Congruent Proofs

Similar Triangle Examples with Algebra

Similar Triangles

Similar Triangles Proofs

Slope Formalized

Triangle Classifications

Triangle Congruence Theorems

Triangle Inequality Theorem Algebraic Example

Triangle Inequality Theorem and Examples