Pregunta
A garden box has a perimeter of
feet. If the length is 9 feet, what is the area of the garden box?
Ask by Collins Blake. in the United States
Mar 18,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
花园箱的面积是42.75平方英尺。
Solución
-
已知花园箱的周长为周长公式为其中
为长度, 为宽度。 -
已知长度
英尺,将数值代入公式得: 化简: -
解方程求宽度
: 所以 -
计算面积
:
答案为:
平方英尺。
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Como
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Bonus Knowledge
To find the area of the garden box, we start with the perimeter formula for a rectangle, which is
. Here,
is the perimeter,
is the length, and
is the width.
Given that the perimeter is
feet, we can convert it to an improper fraction. This gives us:
Now, we substitute the known values into the perimeter formula:
This simplifies to:
Subtracting 18 from both sides:
To convert 18 to a fraction with a denominator of 2, we have:
Thus,
So now we have:
Dividing both sides by 2 gives:
Now that we have the width, we can find the area
of the garden box:
To convert this to a mixed number, we can do the division:
Thus, the area of the garden box is
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