9 less than a number is -1.
2 answers:
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The radius of the circle is 2.86 cm.
Step-by-step explanation:
Given,
The circumference of the circle = 18 cm
To find the radius of the circle.
Formula
The circumference of a circle of radius r is 2πr
According to the problem,
2πr = 18
or, r = = 2.86 (approx)
Hence,
The radius of the circle is 2.86 cm.
