A cylinder has a circular base with a radius that measures 9 inches. Determine the diameter of the base of the cylinder.
3 inches
4.5 inches
18 inches
81 inches

Respuesta :

The answer is 18 inches.

Let r=radius and d=diameter

2r=d

2(9)=d

18=d

Hope this helps!

Answer:

18 inches

Step-by-step explanation:

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