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# Tag Archives: circumcircle

## Sine of an inscribed angle

Did you know that the ratio between the side of any triangle and the sine of the opposite angle is equal to the diameter of the triangle’s circumcircle? I didn’t! I just learned it today when researching the law of … Continue reading

Posted in geometry, proof
Tagged circumcircle, inscribed angle, law of sine, proof without words, sine
12 Comments