document.write( "Question 935636: a rectangular acrylic sheet is 36 cm by 25cm. from it, 56 circular buttons.each of diameter 3.5 cm have been cut out. find the area of remaining sheet. \n" ); document.write( "
Algebra.Com's Answer #568881 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "if a rectangular acrylic sheet is \"36cm\" by \"25cm\", then its area is\r
\n" ); document.write( "\n" ); document.write( "\"A=36cm%2A25cm\"\r
\n" ); document.write( "\n" ); document.write( "\"A=900cm%5E2\"\r
\n" ); document.write( "\n" ); document.write( " if \"56\" circular buttons, each of diameter \"d=3.5cm\" have been cut out, then radius is \"d%2F2=3.5cm%2F2=1.75cm\"\r
\n" ); document.write( "\n" ); document.write( "and, the area of all buttons is \"A%5B1%5D=56%2A%281.75cm%29%5E2%2Api\"\r
\n" ); document.write( "\n" ); document.write( "\"A%5B1%5D=56%2A3.0625cm%5E2%2A3.14\"\r
\n" ); document.write( "\n" ); document.write( "\"A%5B1%5D=538.51cm%5E2\"\r
\n" ); document.write( "\n" ); document.write( "the area of remaining sheet is \r
\n" ); document.write( "\n" ); document.write( "\"A-A%5B1%5D=900cm%5E2-538.51cm%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"A-A%5B1%5D=361.49cm%5E2\"
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