document.write( "Question 1131926: Prove that the area of the minor segment cut off from a circle of radius r cm by a chord c cm from the centre of the circle is given by
\n" ); document.write( "(1/2)[2π{cos^(-1)(c/r)}*r²/180° - 2c(r²-c²)^½]\r
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Algebra.Com's Answer #748695 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "That's equivalent to what you have above since\r\n" );
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document.write( "\"cos%28theta%29=c%2Fr\" and the inverse cosine is multiplied by \"pi%2F%22180%B0%22\" \r\n" );
document.write( "to change degrees to radians, for apparently degrees are assumed \r\n" );
document.write( "by the author of this problem.  If radians were assumed for the \r\n" );
document.write( "inverse cosine, we would not use the factor \"pi%2F%22180%B0%22\".\r\n" );
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document.write( "Edwin
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