Question

# If the area of a circle and circumference are numerically equal then radius of circle is ________.

A
π
B
π2
C
1
D
2

Solution

## The correct option is C $$2$$Given: Area = Circumference$$\Rightarrow \pi r^{2} = 2 \pi r$$ $$\Rightarrow \dfrac{r^2}{r} = 2$$ $$\Rightarrow r = 2$$ Hence radius is $$2$$ units Option (D) is correctPhysics

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