in the diagram TR R is a diameter p r KT is a cyclic quad they talk about the chords and then they tell us that PK which is this entire length is the same as TK they have the same length and you can ...

When Alfred University Associate Math Professor Amanda Lipnicki took up knitting as an undergraduate student, she didnt immediately recognize how mathematics and geometry underlay the patterns of ...

Materials were written for an entire year's course in geometry in which transformations were used to develop the concepts of congruence, similarity, and symmetry, as well as being a vehicle for proof.