Question

what is the circumference of a circle with a diameter of 7.5 miles? estimate the circumference to the hundredths place using 3.14 for π. this question is worth 2 points, one for correct answer and one for explanation/work. (2 points)

Explanation:

Step1: Recall the formula for the circumference of a circle

The formula for the circumference \( C \) of a circle when the diameter \( d \) is known is \( C=\pi d \).

Step2: Substitute the given values into the formula

We are given that \( d = 7.5 \) miles and \( \pi=3.14 \). Substituting these values into the formula, we get \( C = 3.14\times7.5 \).

Step3: Perform the multiplication

Calculating \( 3.14\times7.5 \), we have:

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Answer:

The circumference of the circle is \( 23.55 \) miles.