document.write( "Question 101360: find the area of a circle with a diameter of 13cm. \n" ); document.write( "
Algebra.Com's Answer #73810 by jim_thompson5910(35256)\"\" \"About 
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A circle with a diameter of 13 has a radius of \"13%2F2\" or \"6.5\"\r
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Solved by pluggable solver: Surface Area and Circumference of a Circle
Surface Area of a circle \"A=pi%2Ar%5E2+=+pi%2A6.5%5E2+=+132.73228735\"Circumference of a circle \"C=2%2Api%2Ar+=+2%2Api%2A6.5+=+40.8407038\"
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