document.write( "Question 309678: FInd the lateral area and surface area of a right cone with radius 8 in. and height 15 in. Give your answers in terms of pie or pi \n" ); document.write( "
Algebra.Com's Answer #221531 by alicealc(293)\"\" \"About 
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radius (r) = 8 in
\n" ); document.write( "height (h) = 15 in\r
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\n" ); document.write( "\n" ); document.write( "slant height (s)
\n" ); document.write( "= \"sqrt%28r%5E2%2Bh%5E2%29\"
\n" ); document.write( "= \"sqrt%288%5E2%2B15%5E2%29\"
\n" ); document.write( "= \"sqrt%2864%2B225%29\"
\n" ); document.write( "= \"sqrt%28289%29\"
\n" ); document.write( "= 17\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "lateral area = \"pi+%2A+r+%2A+s+=+pi+%2A+8+%2A+17+=+136%2Api\" square inches
\n" ); document.write( "surface area
\n" ); document.write( "= base area + lateral area
\n" ); document.write( "= \"pi+%2A+r%5E2+%2B+136%2Api\"
\n" ); document.write( "= \"pi%2A8%5E2%2B136%2Api\"
\n" ); document.write( "= \"64%2Api+%2B+136%2Api\"
\n" ); document.write( "= \"200%2Api\" square inches\r
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