cheyennerondeau
19.05.2020 •
Mathematics
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Ответ:
31
Step-by-step explanation:
Each side=L=x+5
Since the garden has four equal sides, it seems to look like a square.
So perimeter of square=4L
So
4L=144
4(x+5)=144
4x+20=144
4x=144-20
4x=124
x=31 (dividing both sides by 4)