How do you solve this?
A circle has an area of $M\text{ cm}^2$ and a circumference of $N\text{ cm}$. If $\dfrac{M}{N}=\dfrac{1}{2}$, what is the radius of the circle, in cm?
I can't even read it...
Try posting it again but with readable text
Area / circumference = 1/2
(pi r^2) / (2 pi r) = 1/2
r / 2 = 1/2
r = 1 cm
+819 
