Lune of Hippocrates

Math: Geometry: Lune of Hippocrates 4: Circle Areas and Right Triangle

In the figure, prove that the area of a right triangle ACB is equal to the difference of the areas A1 and A2.
See also: Hippocrates 1, Hippocrates 3, Hippocrates 4, Squaring the Circle, Pythagoras and Circle Area, Similar shapes.




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