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The radius of a circle is 2 units.
What is the diameter of the circle?
units

The radius of a circle is $2$ units. $\newline$ What is the diameter of the circle? $\newline$ $\square$ units

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Solve proportions: word problems

Full solution

Q. The radius of a circle is

2

units.

\newline

What is the diameter of the circle?

\newline

\square

units

Circle Diameter Formula: The formula for the diameter of a circle is twice the radius. $\newline$ Calculation: Diameter $= 2 \times$ Radius $= 2 \times 2$ units.
Calculation: Check the calculation: $2$ times $2$ is indeed $4$ , so no math error here.

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