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Area, Surface & Volume
easy
0:00.0
A circle with radius
r
r
r
has what circumference?
A
π
r
\pi r
π
r
B
2
π
r
2\pi r
2
π
r
C
π
r
2
\pi r^2
π
r
2
D
4
π
r
4\pi r
4
π
r
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