document.write( "Question 820507: the diameter of the larger ball is 1.25 times greater than the smaller ball. how do the surface areas of the to balls compare. \n" ); document.write( "
Algebra.Com's Answer #493584 by TimothyLamb(4379)\"\" \"About 
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D/d = 1.25/1
\n" ); document.write( "D = 1.25d
\n" ); document.write( "2R = 1.25(2r)
\n" ); document.write( "R = 1.25(2r)/2
\n" ); document.write( "R = 1.25r
\n" ); document.write( "---
\n" ); document.write( "R/r = 1.25
\n" ); document.write( "---
\n" ); document.write( "A = 4 pi RR
\n" ); document.write( "a = 4 pi rr
\n" ); document.write( "---
\n" ); document.write( "A/a = RR/rr
\n" ); document.write( "A/a = (R/r)(R/r)
\n" ); document.write( "A/a = 1.25*1.25
\n" ); document.write( "---
\n" ); document.write( "A/a = 1.5625
\n" ); document.write( "---
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