document.write( "Question 1098714: A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 960 centimeters and the length of the base of the window is 190 centimeters, find the total area of the window. \r
\n" );
document.write( "\n" );
document.write( "area=______ cm^2 \n" );
document.write( "
Algebra.Com's Answer #713093 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Draw this and there are five parts. \n" ); document.write( "Two sides are 190 cm \n" ); document.write( "The other two aren't known. \n" ); document.write( "The semicircle is (1/2)*pi*D, which is 190 cm*pi*(1/2)=298.45 cm \n" ); document.write( "The two sides are 380 combined \n" ); document.write( "The width is 960-380-298.45=281.55 cm, which divided in half is 140.8 cm \n" ); document.write( "The rectangular portion has area of 190*140.8=26,752 cm^2 \n" ); document.write( "The semicircle is (1/2)*pi*95^2, since 95 is the radius, and is 14,176.4 cm^2 \n" ); document.write( "The sum is 40,928 cm^2 or 4.09 m^2. \n" ); document.write( " \n" ); document.write( " |