SOLUTION: A rectangular land has an area of 120 sq mts. and perimeter of 46mts. The length (in meters) of a diagonal is

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Question 1072141: A rectangular land has an area of 120 sq mts. and perimeter of 46mts. The length (in meters) of a diagonal is
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%28xy=120%2C2x%2B2y=46%29

system%28xy=120%2Cx%2By=23%29

x%2823-x%29=120
-x%5E2%2B23x-120=0
x%5E2-23x%2B120=0
%28x-8%29%28x-15%29=0

diagonal: sqrt%288%5E2%2B15%5E2%29
sqrt%2864%2B225%29
diagonal: highlight%28highlight%2817%29%29





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10*12, 8*15, 8+15=23