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Lunes of Antiquity
Author:
Ted Courant
The red lunes are contained within semi-circles on the sides of a right triangle, but are outside the semi-circle on the hypotenuse.
GeoGebra
Prove that the area of the Red lunes equals the Blue area of the original triangle.
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GeoGebra Notes
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Proof of a Rhombus by Construction and Deduction
Translation in 3D (via x, y, z)
bewijs stelling van Pythagoras
Discover Resources
สำรวจ9
Equilateral Triangle
Net of a Cylinder
Cosine graph with changes to amplitude, period, and shifts
9.1.3 Pre #1142779 option C
Discover Topics
General Quadrilateral
Trigonometry
Step Functions
Natural Numbers
Integers