document.write( "Question 1061380: A mirror with radious 49 cm has a wooden frame of thickness 70 mm . how mich area of the mirror is covered with the frame. What is the visible area of mirror.
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Algebra.Com's Answer #676168 by ikleyn(52776)\"\" \"About 
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\n" ); document.write( "A mirror with radious 49 cm has a wooden frame of thickness 70 mm . how mich area of the mirror is covered with the frame.
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\n" ); document.write( "\n" ); document.write( "Visible area is \"pi%2A%2849-7%29%5E2\" cm^2. Calculate.\r
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\n" ); document.write( "\n" ); document.write( "Covered area is \"pi%2A49%5E2+-+pi%2A42%5E2\" cm^2. Calculate.\r
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