document.write( "Question 666051: Points (1, 5) and (-7, 9) are endpoints of the diameter of a circle.\r
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Algebra.Com's Answer #414240 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Points (1, 5) and (-7, 9) are endpoints of the diameter of a circle. 
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document.write( "(1, 5) and 
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document.write( "(-7, 9) d =  
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document.write( "r = , r^2 = 20
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document.write( " Midpoint = (-3,7), center of the circle
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document.write( "equation of the circle:  \n" );
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