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vodka [1.7K]
3 years ago
9

The radius is 3 so what is the circumference

Mathematics
2 answers:
V125BC [204]3 years ago
4 0

Answer:

28.26 cm squared

Step-by-step explanation:

A = πr^2

A = π(3)^2

A = 9π

A = 9(3.14)

A = 28.26 cm squared

jonny [76]3 years ago
3 0
The formula for circumference of a circle
=
2
π
r
The radius
=
3
c
m
(assuming units to be in cm)
2
π
r
=
2
×
22
7
×
3
=
132
7
=
18.86
c
m
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