document.write( "Question 1010825: If a sphere of radius r divided 8 equal part find the total surface area. \n" ); document.write( "

Algebra.Com's Answer #626284 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "If a sphere of radius r divided 8 equal part find the total surface area.
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document.write( "You did not provide the description on how the sphere was divided in 8 equal parts. \r\n" );
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document.write( "Probably, it was made by using four planes that all contain the common diameter of the sphere.\r\n" );
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document.write( "Then the total area of these 8 pieces is equal to the surface area of the sphere plus the area of 8 semi-circles \r\n" );
document.write( "of the same radius, i.e.\r\n" );
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document.write( " +  = .\r\n" );
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document.write( "It is doubled area of the surface area of the sphere.\r\n" );
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