document.write( "Question 817225: The question is: create a rectangle that has an area of 45 square centimetres and a peritimer of 36 centimetres. I have tried lots of numbers and it doesn't work. \n" ); document.write( "

Algebra.Com's Answer #491953 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "create a rectangle that has an area of 45 square cm and a perimeter of 36 cm.
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document.write( "  0r l = 45/w
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document.write( "   |Multiplying thru by w so as all denominators = 1
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document.write( "   90 + 2w^2 = 36w
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document.write( "   w^2 - 18w + 45 = 0 
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document.write( "  (w-15)(w-3) = 0
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document.write( "  (w-15) = 0 , w = 15cm ,  l = 3cm
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document.write( "0r(w-3) = 0 ,  w = 3cm  ,  l = 15cm
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document.write( "Dimensions of the Rectangle are 3cm  by 15cm
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document.write( " A = 45cm^2  and Perimeter =  \n" );
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