document.write( "Question 459999: The radius and height of a right cylinder are each divided by square root of 5. What is the change in surface area of the cylinder? \n" ); document.write( "

Algebra.Com's Answer #315741 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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The radius and height of a right cylinder are each divided by square root of 5.
\n" ); document.write( " What is the change in surface area of the cylinder?
\n" ); document.write( ":
\n" ); document.write( "total S.A. = $\"2%2Api%2Ar%28r%2Bh%29\"$
\n" ); document.write( "I inadvertently sent this, let's see if I can solve it
\n" ); document.write( " $\"2%2Api\"$ are the same so we can just deal with r(r+h) = r^2 + rh
\n" ); document.write( " $\"%28r%2Fsqrt%285%29%29%5E2\"$ = $\"r%5E2%2F5\"$
\n" ); document.write( "and
\n" ); document.write( " $\"r%2Fsqrt%285%29\"$ * $\"h%2Fsqrt%285%29\"$ = $\"%28rh%29%2F5\"$
\n" ); document.write( "same denominator
\n" ); document.write( " $\"%28r%5E2%2Brh%29%2F5\"$
\n" ); document.write( ":
\n" ); document.write( "I am going to say it divides the surface area by 5 \n" ); document.write( "

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