The radius of the cylinder with a diameter of 18 cm is 9 cm.
The distance between the center of a circular body and the circumference of the circular body is known as Radius.
The diameter of the base of the cylinder is 18 cm.
The radius of the circular base is equal to half of the diameter of the circular base.
So,
[tex]R=\dfrac{D}{2}\\=9\text{ cm}[/tex]
Thus, the radius of the base of the cylinder with a diameter of 18 cm is 9 cm.
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