Answers

  • Brainly User
2016-07-20T12:27:26+08:00
ANSWER:

Length: 35 meters
Width: 10 meters

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2016-07-20T12:29:29+08:00
A=lw;

350=lw;
l=350/w............1.)

90=2(l+w);
45=l+w;
l=45-w..............2.)

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l=350/w;
45-w=350/w;
-w^2+45w=350;
w^2-45w+350=0
by quadratic;
w-35)(w-10);
w=35; or w=10;
l=45-35
=10
or;
l=45-10
=35




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