document.write( "Question 327622: A cone is mounted on the centre of the flat surface of a hemi sphere of radius 14 cm. Radius of the cone is 7 cm. If the height of cone is 7 cm then Find surface area of it. \n" ); document.write( "
Algebra.Com's Answer #234670 by mananth(16946)![]() ![]() You can put this solution on YOUR website! surface area of sphere = 4pir^2 \n" ); document.write( "surface area of hemisphere = 1/2 pir^2 \n" ); document.write( "r=14 \n" ); document.write( "surface area = 1/2*pi*(14^2) \n" ); document.write( "=307.87 sq.cm \n" ); document.write( ".. \n" ); document.write( "surface area of cone = pir^2 +pirs \n" ); document.write( "height = 7 cm \n" ); document.write( "radius = 7 cm (1/2 radius = 3.5 cm) \n" ); document.write( "slant height = sqrt(((3.5)^2+(7^2)) \n" ); document.write( "= 7.82 cm \n" ); document.write( ".. \n" ); document.write( "surface area of cone =( pi*(7^2)+pi*7*7.82) \n" ); document.write( "=325.9 sq1.cm\r \n" ); document.write( "\n" ); document.write( "TOTAl SURFACE = 325.9+307.87=633.7 sq. cm \n" ); document.write( " |