Geometry from the Land of the Incas 48/80

Geometry, Machu Picchu

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Recent Additions (Page 48 of 80)

Geometry Congruence - Index

Elearn 235: Parallelogram

Proposed Problem 235. Parallelogram, Transversal line, Perpendicular lines.

Parallelogram problem

Proposed Problem 234. Parallelogram, Line through a vertex, Perpendicular lines.

Parallelogram

Parallelograms Index.

Elearn 232: Parallelogram

Proposed Problem 232. Parallelogram, Line through a vertex, Perpendicular lines.

Elearn 231

Proposed Problem 231. Triangle, Midpoints, Transversal, Perpendicular lines.

Elearn 230

Proposed Problem 230. Triangle, Midpoints, Transversal, Perpendicular lines.

Elearn 229

Proposed Problem 229. Triangle, Centroid, Transversal, Perpendicular lines.

Elearn 228

Proposed Problem 228. Triangle, Midpoints, Exterior line, Perpendiculars lines.

Triangle, Centroid

Proposed Problem 227. Triangle, Centroid, Exterior line, Perpendicular lines.

Triangle, Centroid

Proposed Problem 226. Triangle, Centroid, Perpendiculars.

Problemas en Espanol

Problemas Propuestos de Geometria en Espanol.

Viviani theorem, regular polygon

Proposed Problem 225. Viviani's Theorem Extension, Regular Polygon, Apothem, Distance.

Crops of the Incas

Crops of the Incas, interactive mind map. Selected by the National Research Council Ad Hoc Panel, National Academy Press Washington. D.C.

Kaleidoscope

Kaleidoscope Index.

Viviani's theorem

Proposed Problem 224. Viviani's theorem, Isosceles triangle, Altitude, Distances, Point on the extension of the base.

Viviani theorem

Proposed Problem 223. Viviani's theorem, Isosceles triangle, Altitude, Distances.

Viviani theorem

Proposed Problem 222. Viviani's theorem, Equilateral triangle, Exterior point, Distances.

Viviani theorem

Proposed Problem 221. Viviani's theorem, Equilateral triangle, Interior point, Distances.

Classical Theorems

Classical Theorems.

UNESCO World Heritage

UNESCO World Heritage List, Interactive Mind Map.  As of 2008, 878 sites are listed. Peru is home of 10 sites.
Inca News Index.

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Problem 220

Proposed Problem 220. Right Triangle, Altitude, Angle Bisector, Distance, Arithmetic Mean.

Problem 219

Proposed Problem 219. Rhombus, perpendiculars, arithmetic mean.

Problem 218

Proposed Problem 218. Right triangle, Altitude and Projections.

Problem 217

Proposed Problem 217. Right triangle, Altitude and Projections.

Problem 216

Proposed Problem 216. Quadrilateral, Angle Bisectors, and Concurrency.

Problem 215

Proposed Problem 215. Quadrilateral, Angle Bisectors, and Cyclic Quadrilateral.

Quadrilateral problem

Proposed Problem 214. Quadrilateral and Angle Bisectors.

Problem Solving

Problem Solving Interactive Mind Map.

Critical Thinking

Critical Thinking Interactive Mind Map.

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