document.write( "Question 1129385: Two concentric circles are such that one circle has half the radius of the other. If a point is chosen at random inside the larger circle, then what is the the probability that it lands outside the smaller circle? \n" ); document.write( "

Algebra.Com's Answer #745943 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "The probability under the question is equal to the ratio of the areas, which is, in turn, .\r\n" );
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document.write( "Answer.  .\r\n" );
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\n" ); document.write( "\n" ); document.write( "Notice, it is not necessary for the circles to be concentric to get the same answer.\r
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\n" ); document.write( "\n" ); document.write( "It is enough that the ratio of radii is $\"1%2F2\"$ and the smaller circle is entirely inside the larger one.\r
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