the perimeter of the plot is given by the expression (8x+12)m. If the length of the fenced portion is 7x-8 m find the length of the boundary which is not fenced
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sivan75:
It would be x+20..8x+12-(7x-8)=8x-7x+12+8.
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Perimeter of a plot=8x+12metre
fenced portion =7x-8metre
remaining portion=8x+12metre
-7x-8metre
=1x+20metre
Length of the boundary x+20metre that is not fenced
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