Question
Binh wants to enclose his circular flower garden with decorative fencing. If the diameter of his garden is 18 feet, how much fencing will binh need to buy if fencing is sold by the linear foot?
Answers
GPT-4o mini
To determine how much fencing Binh will need, we need to calculate the circumference of the circular flower garden, which is the length of fencing required to enclose it. The formula for the circumference \( C \) of a circle is:
\[
C = \pi \times d
\]
where \( d \) is the diameter of the circle.
Given that the diameter of Binh's garden is 18 feet, we can substitute the value into the formula:
\[
C = \pi \times 18
\]
Using the approximate value of \( \pi \) as 3.14, we can calculate:
\[
C \approx 3.14 \times 18 \approx 56.52 \text{ feet}
\]
Therefore, Binh will need to buy approximately 56.52 feet of fencing. Since fencing is usually sold by the linear foot, Binh should buy 57 feet of fencing to ensure he has enough to complete the enclosure.
\[
C = \pi \times d
\]
where \( d \) is the diameter of the circle.
Given that the diameter of Binh's garden is 18 feet, we can substitute the value into the formula:
\[
C = \pi \times 18
\]
Using the approximate value of \( \pi \) as 3.14, we can calculate:
\[
C \approx 3.14 \times 18 \approx 56.52 \text{ feet}
\]
Therefore, Binh will need to buy approximately 56.52 feet of fencing. Since fencing is usually sold by the linear foot, Binh should buy 57 feet of fencing to ensure he has enough to complete the enclosure.
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