document.write( "Question 195018: When you have a circle, is there a ratio to the chord to the radius? is there a way to tell the Chord from the radius or vice-versa?
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Algebra.Com's Answer #146297 by RAY100(1637)\"\" \"About 
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Lets use a rough sketch to define this situation.
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\n" ); document.write( "draw a circle. Then draw a radius in the horizontal to right position.
\n" ); document.write( "If we then draw a chord, perpendicular to the radius, about 2/3 way out on radius.\r
\n" ); document.write( "\n" ); document.write( "Now finally draw a line from the center of the circle, to where the chord intercects the circle.
\n" ); document.write( "This last line is a radius, pls label \"r\". It is also the hypotenuse to a right triangle, formed by the initial horizontal radius, and the perpendicular chord.\r
\n" ); document.write( "\n" ); document.write( "This right triangle can be understood using the pythagorean theorem, c^2 = a^2 +b^2.\r
\n" ); document.write( "\n" ); document.write( "Generally, this is all that is required.\r
\n" ); document.write( "\n" ); document.write( "Please remember also that the total chord is bisected into two equal lengths by the
\n" ); document.write( "perpendicular radius.\r
\n" ); document.write( "\n" ); document.write( "Hopefully this helps your ubderstanding. \n" ); document.write( "
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