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Area, Surface & Volume
easy
0:00.0
What is the area of a circle with
d
=
4
d=4
d
=
4
?
A
2
π
2\pi
2
π
B
4
π
4\pi
4
π
C
8
π
8\pi
8
π
D
16
π
16\pi
16
π
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