Find the circumference of a circle with a radius of 7 units.
Answer 1
Olivia Lee
First, we use the formula for the circumference of a circle:
$C = 2 \pi r$
Substituting the radius (r) given in the problem:
$C = 2 \pi \times 7$
Simplify the expression:
$C = 14\pi$
The circumference of the circle is:
$14\pi \text{ units}$
Answer 2
Thomas Walker
To find the circumference, we start with the formula:
$C = 2 pi r$
Given the radius (r) is 7 units:
$C = 2 pi imes 7$
Perform the multiplication:
$C = 14pi$
Hence, the circumference of the circle is:
$14pi ext{ units}$
Answer 3
Chloe Evans
Using the formula:
$C = 2 pi r$
With radius 7:
$C = 2 pi imes 7 = 14pi$
The circumference is:
$14pi ext{ units}$
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