Geometry from the Land of the Incas 55/80

Geometry, Machu Picchu

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Recent Additions (Page 55 of 80)

Geometric Art Index

Problem 110. Elearning.

Proposed Problem 110. Area of Contact Triangle.

Problem 109, Elearning.

Proposed Problem 109. Angles, Right Triangle, Cevian.

The Taj Mahal and Golden Rectangles

The Taj Mahal and Golden Rectangles.

Geometry Problem 108, Elearning.

Proposed Problem 108. Angles, Triangle, Median.

Nazca Lines and Indiana Jones

Nazca Lines and Indiana Jones
See also: Archaeologists explore Peruvian mystery. University of Bristol

Inca Skull Surgery

Inca Skull Surgery
Inca Skull Surgeons Were "Highly Skilled," Study Finds.
Trepanation = square hole in the skull.

Geometry Problem 107, Elearning.

Proposed Problem 107.Angles, Triangle. Cevian.

Projects Brainstorming. Elearning

Geometry Projects Brainstorming.

Geometry Problem 106, Elearning.

Proposed Problem 106. Angles, Triangle. Cevian.

Elearning 105, Online tutoring

Proposed Problem 105.Angles, Triangle. Interior Point.

Elearning 104, Online tutoring

Proposed Problem 104. Angles, Triangle.

Pythagoran Curiosity, 14 conclusions

The Pythagorean Curiosity Triangles and squares, fifteen conclusions

Elearning 103

Proposed Problem 103.Equilateral Triangle Area, Interior Point, Heron's Formula.

Potato Inca's Global Food

Potato Inca's Food
As Other Staples Soar, Potatoes Break New Ground.

Bandurria, Pre-Inca Culture

Bandurria is the oldest Peruvian archaeological site, says expert
Bandurria may rival Caral as oldest citadel in Americas.
Satellite View: circular ceremonial center.

Problem 103

Proposed Problem 103.Equilateral Triangle Area, Interior Point, Heron's Formula.

Problem 102. Elearning, Online Tutoring.

Proposed Problem 102.Equilateral Triangle Area, Interior Point.

Problem 101. Elearning, Online tutoring.

Proposed Problem 101.Equilateral Triangle, Pythagorean Theorem, Angles.

Triangle and Square theorem 1. Elearning.

Triangle and Squares Theorem 1: with Interactive Geometry Software.
Step-by-Step construction, Manipulation, and animation.

Bottema theorem. Elearning

Bottema's Theorem: Triangle and Squares with Interactive Geometry Software.
Step-by-Step construction, Manipulation, and animation.

Eight Point Circle

Eight-Point Circle Theorem
Step-by-Step construction, Manipulation, and animation.

Quadrilateral Area. Elearning 98

Proposed Problem 100. Circle Area, Archimedes' Book of Lemmas.

Quadrilateral Area. Elearning 98

Proposed Problem 99: Circle Area, General Extension to Pythagoras' Theorem.

Quadrilateral Area. Elearning 98

Proposed Problem 98. Quadrilateral Area, Centroid, Similarity.

Complete quadrilateral

Complete Quadrilateral: Ortholine-Steiner Line.
Using TracenPoche Dynamic Software
Step-by-Step construction, Manipulation, and animation

Math problem 97 Elearning

Proposed Problem 97. Similar Triangles, Areas.

Math problem

Proposed Problem 96. Similar Triangles, Incenters, Parallelogram.

Math problem 95 Elearning

Proposed Problem 95. Similar Triangles, Inradii, Parallel.

Math problem 94

Proposed Problem 94. Similar Triangles, Circumcircles, Circumradii.

Gergonne theorem. Elearning.

Gergonne's Theorem: Triangle and Concurrent Cevians.

Math problem

Proposed Problem 93. Similar Triangles, Circumcircles, Parallelogram.

Math problem 92 Elearning

Proposed Problem 92. Similar Triangles, Circumcircles, Circumradii, Parallel.

Math problem 91

Proposed Problem 91. Similar Triangles, Altitude, Parallel.

Math problem

Proposed Problem 90. Quadrilateral and Triangle Areas, Midpoints.

Math problem

Proposed Problem 89. Triangles of equal area, Midpoints.

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