document.write( "Question 652673: A circle centered at the origin whose radius is 2 units is inscribed in a right triangle whose base is 8 units and altitude 6 units. Find the equation of the circle. \n" ); document.write( "

Algebra.Com's Answer #408065 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "The triangle it's inscribed in has nothing to do with it.  \r\n" );
document.write( "The equation of any circle is\r\n" );
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document.write( "(x-h)² + (y-k)² = r²\r\n" );
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document.write( "You are given the center as (h,k) = {0,0}, the origin, and you are given\r\n" );
document.write( "the radius r = 2, so\r\n" );
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document.write( "(x-0)² + (y-0)² = 2²\r\n" );
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document.write( "or\r\n" );
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document.write( "x² + y² = 4\r\n" );
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document.write( "Why was the triangle even mentioned?  It is totally irrelevant.\r\n" );
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document.write( "Edwin

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