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A circle has a circumference of 615.44 units.
What is the radius of the circle? Use 3.14 for
pi and enter your answer as a decimal.
units

A circle has a circumference of $615$ . $44$ units. $\newline$ What is the radius of the circle? Use $3$ . $14$ for $\pi$ and enter your answer as a decimal. $\newline$ $\square$ units

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Weighted averages: word problems

Full solution

Q. A circle has a circumference of

615

.

44

units.

\newline

What is the radius of the circle? Use

3

.

14

for

\pi

and enter your answer as a decimal.

\newline

\square

units

Circle Circumference Formula: The formula for the circumference of a circle is $C = 2 \times \pi \times r$ , where $C$ is the circumference, $\pi$ is $3.14$ , and $r$ is the radius.
Rearrange for Radius: Rearrange the formula to solve for the radius: $r = \frac{C}{2 \pi}$ .
Plug in Values: Plug in the given values: $r = \frac{615.44}{2 \times 3.14}.$
Calculate Radius: Calculate the radius: $r = \frac{615.44}{6.28}$ .
Division Calculation: Perform the division: $r \approx 98.0$ units.

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