document.write( "Question 266921: What is the exact area of a circle with a diameter of 17 inches? \n" ); document.write( "
Algebra.Com's Answer #196031 by unlockmath(1688)\"\" \"About 
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Hello,
\n" ); document.write( "We know the formula for area of a circle is A=(pi)r^2
\n" ); document.write( "r is radius so that would be 8.5 inches for this problem. Plug in the values we have:
\n" ); document.write( "A=pi8.5^2 rewritten as:
\n" ); document.write( "A=(pi)72.25 square inches (In truth this is the exact area.)
\n" ); document.write( "We could round off pi to be 3.14 and get:
\n" ); document.write( "226.865 Square inches
\n" ); document.write( "RJ
\n" ); document.write( "Check out a new book I wrote on the basics of math. It might help.
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