Math: Geometry: What's New, Recent Additions, College, High School, Kids - Page 139

Heron's Formula with medians 

Pentagon and Lissajous Art  

Inca History according to Guaman Poma's work in 1615.

Lake Titicaca and the Inca Manco Capac

Hexagon and Lissajous Art  

Triangles and Lissajous Art  

Looted Peru Moche Headdress Recovered in London

Pascal's Mystic Hexagram Theorem Proof

UNESCO World Heritage Sites in Peru

Apollonius' Tangency Problem for Three Circles Illustration with animation and sound.

Nazca Lines: the Hummingbird Size comparison with the Empire State Building.

Proposed Problem 28
Right Triangle, altitude, incircles and inradius.

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