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02-10-2022
Mathematics

Answered

1800 m of fencing is available to fence six identical
pens as shown in the diagram.
a Explain why 9x + 8y = 1800.
b
Show that the area of each pen is given by
A = -²² +225 m².
c If the area enclosed is to be maximised, what are
the dimensions of each pen?

Answer :

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