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The radius of a circle is 9 feet. what is the diameter? give the exact answer in simplest form.

The radius of a circle is 9 feet. what is the diameter? give the exact answer in simplest-example-1

2 Answers

2 votes

Answer:

  • 18 feet

Explanation:

The radius is always 2 times the diameter. Since the radius is
9 ~feet, the diameter is
9\cdot2=\boxed{18}~feet

User Yasuaki
by
8.3k points
4 votes

The diameter of a circle equals twice the radius of that circle.

Then:


\begin{gathered} D=2* r \\ =2*9ft \\ =18ft \end{gathered}

Therefore, the diameter of the circle is:


18\text{ feet}

User Yuiko
by
7.7k points

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