document.write( "Question 1067851: Prove that the tangents passing through the end points of a diameter of a circle are parallel to each other. \n" ); document.write( "
Algebra.Com's Answer #683030 by ikleyn(52810)\"\" \"About 
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\n" ); document.write( "HINT: These tangents are perpendicular to the diameter.\r
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\n" ); document.write( "\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( "    - A tangent line to a circle is perpendicular to the radius drawn to the tangent point \r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook on Geometry\r
\n" ); document.write( "\n" ); document.write( "    GEOMETRY - YOUR ONLINE TEXTBOOK \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part if this textbook under the topic
\n" ); document.write( "\"Properties of circles, inscribed angles, chords, secants and tangents\".\r
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