Answer:
r=2
Explanation:
The circumference of a circle is : P = 2πr... r : the radius and P= 4π
so : 2πr = 4π
divide by : 2π you have : r = 2
Answer: 2cm
Circumference of a circle =2pir
Circumference given=4pi
R=?
Substitute the values
2pir=4pi
Pi cancel pi
2r=4
R=4/2
R=2
Radius of the circle is 2cm
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