document.write( "Question 87749: Determine the radius of the circle, given its centre and a point on its circumfrence. Round the radius to the nearest tenth, if necessary.\r
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Algebra.Com's Answer #63656 by rapaljer(4671) $\"\"$ $\"About$

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The radius of this circle is the distance from the centre to the point on the circumfrence. By inspection, this distance is 3 units. Would you also like the equation of the circle??\r
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\n" ); document.write( "\n" ); document.write( "Equation of a circle: $\"+%28x-h%29%5E2+%2B%28y-k%29%5E2+=+r%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( "Equation of your circle: $\"+%28x-1%29%5E2+%2B%28y-1%29%5E2+=+3%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( "Equation of your circle: $\"+%28x-1%29%5E2+%2B%28y-1%29%5E2+=+9+\"$ No extra charge!!\r
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\n" ); document.write( "\n" ); document.write( "R^2 Retired from SCC \n" ); document.write( "

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