document.write( "Question 887415: A hollow spherical shel is 2cm thick if its auter radius is 8cm ,then find the volume of metal in the sghere (take radius =3:14) \n" ); document.write( "
Algebra.Com's Answer #536603 by nerdybill(7384)\"\" \"About 
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A hollow spherical shel is 2cm thick if its auter radius is 8cm ,then find the volume of metal in the sghere (take radius =3:14)
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\n" ); document.write( "vol of any sphere = (4/3)(pi)r^3
\n" ); document.write( "Outer radius is 8cm
\n" ); document.write( "Inner radius is 6cm
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\n" ); document.write( "\"vol of metal\" = \"vol of outer radius sphere\" - \"vol of inner radius sphere\"
\n" ); document.write( "[(4/3)(pi)r^3] - [(4/3)(pi)r^3]
\n" ); document.write( "[(4/3)(3.14)8^3] - [(4/3)(3.14)6^3]
\n" ); document.write( "2143.573 - 904.32
\n" ); document.write( "1239.253 cubic cm\r
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