document.write( "Question 629535: a solid metalic sphere witha radius of 7cm is cut into 4 similar parts of equal volume.what is the total surface area of each part \n" ); document.write( "
Algebra.Com's Answer #396315 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! I'll give you some hints. \n" ); document.write( "Find the surface area of the sphere using the radius given.\r \n" ); document.write( "\n" ); document.write( "Now think about what the shape of the resulting four parts will look like. If you took a ball and cut it in half, you would now have two parts each with a total surface area of 1/2 the sphere (the dome) PLUS the area of the base (a circle).\r \n" ); document.write( "\n" ); document.write( "Now cut each half in half again. \n" ); document.write( "Each piece will now be a quarter wedge shape with a curved portion (the area of which is 1/4 of the original sphere) PLUS two flat faces (each face a semi circle with the given radius.\r \n" ); document.write( "\n" ); document.write( "So, what is the total surface area? \n" ); document.write( "1/4 of original sphere surface area PLUS two semi circle areas with the given radius. That ends up being 1/4 sphere PLUS the area of a circle with the given radius.\r \n" ); document.write( "\n" ); document.write( "You can do the math :)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |