Math / Geometry

QuestionThe radius of a garbage can is 7 inches. Which expression can be used to find the garbage can's circumference in inches? CLEAR CHECK $2 \cdot \pi \cdot 7$ $\pi \cdot 7^{2}$

Studdy Solution

STEP 1

1. The formula for the circumference of a circle is $C = 2\pi r$ , where $r$ is the radius.
2. The radius of the garbage can is given as 7 inches.

STEP 2

1. Identify the correct formula for circumference.
2. Substitute the given radius into the formula.

STEP 3

Recall the formula for the circumference of a circle. The circumference $C$ is given by:
$C = 2\pi r$

STEP 4

Substitute the given radius into the formula. The radius $r$ is 7 inches. Therefore, the expression for the circumference is:
$C = 2\pi \cdot 7$
The expression that can be used to find the garbage can's circumference in inches is:
$\boxed{2 \cdot \pi \cdot 7}$

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