This is the "10.3: Inscribed Angles" page of the "Geometry Chapter 10" guide.
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Geometry Chapter 10   Tags: geometry, mahlman, math  

Last Updated: Feb 19, 2014 URL: Print Guide RSS Updates

10.3: Inscribed Angles Print Page


Theorem 1: If an angle is inscribed in a circle, then its measure is half the measure of its intercepted arc.

m< B = 1/2

Theorem 2: IF AND ONLY IF  QS is a diameter of the circle.

< R = 90

Theorem 3: A quadrilateral can be inscribed in a circle IF AND ONLY IF its opposite angles are supplementary.


m< D + m <F = 180

m<C + m<E = 180


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