document.write( "Question 388041: Find the radius of the circle using these three points: (-2,2),(-8,-4),(4,-4)with a center of(-2,-4) \n" ); document.write( "

Algebra.Com's Answer #274356 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "radius = -2 -(-8) = 6   Using points Pt(-8,-4) and center Pt(-2,-4)
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document.write( " Standard Form of an Equation of a Circle is 
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document.write( "where Pt(h,k) is the center and r is the radius 
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document.write( " (x+2)^2 + (y+4)^2 = 6^2      
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