Pleas help asap i am timed A circle with diameter of StartFraction 7 over 2 EndFraction centimeters.

The radius is
cm.
3
7/4
7/2
7
The circumference in terms of π is
π cm.
7
7/4
7/2
14
Using 3.14 for π, the approximate circumference of the circle is
cm.
7.0
11.0
22.0
21.0

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