# For what nonzero value of r, the radius, is thecircumference of a circle numerically equal to its area?

I don't understand why the answer is 1 and not 2. If you plug1 in the area and circumference do not equal the same thing.Although it does with 2...
The question is:
For what nonzero value of r, the radius, is thecircumference of a circle numerically equal to its area?
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Ragazzonibw
Circumference: $\pi$$×$${r}^{2}$
Area: $\pi$$×$d or 2$×$$\pi$$×$r
You can get the answer by looking at the two formulas andsimplyfying. They both have pi in them so immediatly we can takethat out. Then we are
left with:
${r}^{2}$ = 2r
What number squares is the same as it is doubled? The answeris two.
One does not work because one squared equals one, but 2 timesone equals two. This would give us different values.