Math: Geometry: What's New, Recent Additions, College, High School, Kids - Page 119

Feuerbach Points and Nine-Point Circle with interactive animation, manipulation, and step-by-step construction.

Proposed Problem 65: Right Triangle, Mindpoints.

Proposed Problem 64: Triangle, Incircle, Transversal.

Machu Picchu and Sierpinski Triangle. The canonical Sierpinski triangle uses an equilateral triangle with a base parallel to the horizontal axis.

Proposed Problem 63: Heptagon Regular, Side and Diagonals.

Proposed Problem 62: Square Diagonal, Inscribed Circle.

Proposed Problem 61: Triangle, Trisection of Sides

Proposed Problem 60: Isosceles triangle and angles.

Taylor Circle Theorem Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.

Incenter, Excenter, Incircle, Excircle Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.

Four Circles Theorem Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.

Three Tangent Circles Theorem Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation.

Three Circles Theorem Using TracenPoche Dynamic Software

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