document.write( "Question 977266: The internal and external diameters of a hollow sphere are 20cm and 28cm respectively find the cost of painting all over the hollow hemisphere at 14paise per square cm
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Algebra.Com's Answer #598844 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The internal and external diameters of a hollow sphere are 20cm and 28cm respectively find the cost of painting all over the hollow hemisphere at 14paise per square cm \n" ); document.write( "------------------------ \n" ); document.write( " \n" ); document.write( "There are 2 surfaces, the inside and the outside \n" ); document.write( "--- \n" ); document.write( "Total SA = \n" ); document.write( "The hemisphere's SA ia 1/2 that. \n" ); document.write( "------------ \n" ); document.write( "Multiply the cost/sq cm by the SA \n" ); document.write( " \n" ); document.write( " |