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Segment km is 18 cm long.

How long is the radius of circle N?

(1 pt) Segment km is 18 cm long. How long is the radius of circle N?-example-1

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Segment KM is the diameter of the circle.

Diameter = Radius * 2

Segment KM is 18

18 = Radius * 2

Radius = 18/2

Radius = 9 cm

The radius of circle N is 9 cm.
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