document.write( "Question 1189475: A cone is formed from a circle of radius 12 cm with a 90* sector removed, what is the lateral area of the cone to the nearest square centimetre \n" ); document.write( "

Algebra.Com's Answer #820826 by ikleyn(52809) $\"\"$ $\"About$

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document.write( "OBVIOUSLY, the lateral area of the cone is equal to 3/4 of the circle area, which has the radius 12 cm\r\n" );
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document.write( "    lateral area of the cone =  =  = 339.12 sq. cm = 339 sq. cm to the nearest whole square centimeter.   ANSWER\r\n" );
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