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7nadin3 [17]
2 years ago
9

the perimeter of a parallelogram is 72 meter. the width of the parallelogram is 4 meters less than its length. find the length a

nd the width of the parallelogram
Mathematics
1 answer:
xz_007 [3.2K]2 years ago
6 0
"<span>Start by setting up the standard equation for perimeter of a parallelogram, P=2w+2h (these variables of course being width and height). </span>
Now, substitute in what you know...

<span>The problem tells us that width is equal to height minus four. This means that, in order to keep only one variable in this problem, we will write width as h-4. </span>
<span>The problem also tells us that 72 is the perimeter, so we substitute that for P. </span>

72=2(h-4)+2h
<span>Now solve from here. </span>
<span>(Distribute first) </span>
72=2h-8+2h
(Combine like terms)
72=4h-8
80=4h
(Isolate h)
80/4=h
<span>20=h"</span>
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