Geometry - Angles in Semicircles and Chords to Tangents

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Uploaded by on May 14, 2010

Free Math Help at Brightstorm! http://www.brightstorm.com/math How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.

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  • I like you're videos..~! No creepy staring, robotic voice or just annoying shit.. It's really easy to understand, good for revision..Thanks alot dude..! :)

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  • Thanks for your easy to follow tutorieal! Can you teach at our high school?

  • this sh*t isnt geometry! IB MATH!

  • Be my teacher. PLEASEE

  • Mr. McCall?

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