document.write( "Question 1190323: Tangents TK and TL are drawn to a circle of diameter 78. If the distance between T and the centre of the circle is 89, what is the length of TK? \n" ); document.write( "

Algebra.Com's Answer #821942 by ikleyn(53751) $\"\"$ $\"About$

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document.write( "If O is the center of the circle, them OTK is a right angle triangle.\r\n" );
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document.write( "THEREFORE,  TK =  =  =  = 80  units.    ANSWER\r\n" );
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document.write( "Notice that 39 = 78/2 is the radius of the circle.\r\n" );
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\n" ); document.write( "\n" ); document.write( "If you want to learn more about tangent lines to circles, look into the lessons\r
\n" ); document.write( "\n" ); document.write( " - A tangent line to a circle is perpendicular to the radius drawn to the tangent point, \r
\n" ); document.write( "\n" ); document.write( " - Tangent segments to a circle from a point outside the circle, \r
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