Calculate the circumference of a unit circle
Answer 1
Ava Martin
The unit circle has a radius of 1 unit. The formula for the circumference of a circle is given by
$C = 2 \pi r$
Substitute \( r = 1 \):
$C = 2 \pi \times 1 = 2 \pi$
The circumference of the unit circle is \(2\pi\).
Answer 2
Chloe Evans
The radius of the unit circle is 1. Using the circumference formula:
$C = 2 pi r$
We have ( r = 1 ):
$C = 2 pi imes 1 = 2 pi$
Thus, the circumference is (2pi).
Answer 3
James Taylor
For a unit circle (radius = 1):
$C = 2 pi r = 2 pi imes 1 = 2 pi$
The circumference is (2pi).
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