Geometry Problem 1081: Equilateral Triangle, Inscribed Circle, Inradius, Tangent Circles, Radius, Tangent Line, Sangaku Japanese Problem

Geometric Art: Typography, iPad

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Problem 1103: Right Triangle, Incircle, Inscribed Circle, Radius, Geometric Mean, Sangaku, Japanese, Metric Relations

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Geometry Problem 1093. Square, Circle, Tangent, Radius, Side, Sangaku, Japanese

Geometry Problem. Post your solution in the comment box below.
Level: Mathematics Education, High School, Honors Geometry, College.

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Sangaku Japanese Geometry Problems

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Level: High School, SAT Prep, College geometry

Studies reveal DNA links between Pre-Inca Mochicas and Japanese

A study of ancient reveals an interesting finding. The second phase of the research will analyze the DNA of the descendants. To confirm the ties that existed between the people of Lambayeque, Peru and citizens of other parts of the ancient world, Dr. Ken-Ichi Shinoda conducted during three years, a series of DNA analysis, with support from U.S. laboratories, under the coordination of the head of the Archaeological Project Sicán, Izumi Shimada.

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