Geometry from the Land of the Incas 57/80

Geometry, Machu Picchu

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Recent Additions (Page 57 of 80)

Komatsu 930E, Mining haul truck

Newton-Gauss Line

Newton's Theorem, Newton-Gauss Line. Complete quadrilateral theorem. Using TracenPoche Dynamic Geometry Software, Online Step-by-Step construction, manipulation, and animation.

problem 74

Proposed Problem 74: Three Intersecting Circles. Cyclic quadrilateral, Angles.  

Intersecting circles

Proposed Problem 73: Three Intersecting Circles. Cyclic quadrilateral.

Intersecting circles

Proposed Problem 72: Intersecting Circles. Cyclic quadrilateral, Chords, Parallel.

Cyclic quadrilateral

Proposed Problem 71: Cyclic Quadrilateral.

The Elements

Interactive Mind Map of Euclid's Elements.

Geometry Problem 70

Proposed Problem 70: Squares inscribed in a triangle, Similarity.

Morley's Triangle and Center

Morley's Triangle & Center: with interactive animation and manipulation.

Schiffler Point and Euler Lines

Schiffler Point: Four Euler Lines with interactive animation and manipulation.

Geometry Problem 69

Proposed Problem 69: Square inscribed in a triangle, Similarity..

Tessellations Index

Tessellations Index.

Proposed Problem 68

Proposed Problem 68: Triangle, Incircle, Inradius, Tangent, Similarity.

Proposed Problem 67

Proposed Problem 67: Triangle, Circumcircle, Angles, Cyclic Quadrilateral.

Van Aubel's Theorem II

Van Aubel's Theorem II: Triangle and Cevians.

Proposed Problem 66

Proposed Problem 66: Triangle, Excircle, Tangents, Geometric Mean.

Proposed Problem 65: Right Triangle, Mindpoints.

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

Proposed Problem 64: Triangle, Incircle, Transversal.

Proposed Problem 63: Heptagon Regular, Side and Diagonals.

Proposed Problem 62: Square Diagonal, Inscribed Circle.

Lost Pyramids of Caral 1, 2, 3, 4, 5, 6, 7
Caral: the Mother of All Civilizations? 2,627 BC.

Machu Picchu and Sierpinski Triangle. Equilateral
Machu Picchu and Sierpinski Tunel Effect.


Proposed Problem 61: Triangle, Trisection of Sides

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

Proposed Problem 60: Isosceles triangle

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, Manipulate, and animation.

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