document.write( "Question 233408: Find the total surface area of a right triangular prism whose base sides are 5cm,12cm and 13cm,and its height is 11cm. the base is a right angled triangle..\r
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document.write( "I need your help!!!!Help me now plzz!!!!! \n" );
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Algebra.Com's Answer #172348 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the total surface area of a right triangular prism whose base sides are 5cm,12cm and 13cm,and its height is 11cm. the base is a right angled triangle.. \n" ); document.write( "-------------- \n" ); document.write( "The base's area is 5*12/2 = 30. The \"top\" is also 30. \n" ); document.write( "The other 3 faces have areas of: \n" ); document.write( "11*5, 11*12 and 11*13 \n" ); document.write( "= 11*(5+12+13) = 11*30 \n" ); document.write( "Area = 330 + 30 + 30 \n" ); document.write( "Area = 390 sq cm \n" ); document.write( " |