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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.
New Resources
seo tool
Level Curves
Angles of Intersecting Lines
רישום חופשי
bewijs stelling van Pythagoras
Discover Resources
Exterior Angles
Miscellaneous exercise question 7b
Perpendicular at a point on a line
parmetric linear equation and interception with parabola
การสร้างรูปคลี่พีระมิด
Discover Topics
Median Value
Area
Sphere
Sine
Fractal Geometry