How to calculate radius 5.5cm
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When the diameter is known, the formula for the radius of a circle is: Radius = Diameter / 2
When the circumference is known, the formula for the radius is: Radius = Circumference / 2π
When the area is known, the formula for the radius is: Radius = ⎷(Area of the circle / π)
So here you asked to calculate radius I hope the given 5. 2cm as diameter and
Radius = 5.2/2
Radius = 2.6
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