$3.$ Milling a circle in the $\backslash (\backslash$mathrm$\{$X$\}-\backslash$mathrm$\{$Y$\}\backslash )$ plane using R or $\backslash (\backslash$underline$\{\backslash$underline$\{\backslash$mathrm$\{$I$\}\},\backslash$mathrm$\{$J$\}\}\backslash )$

Stock is $3"$ x $"$ Circle has a radius of $\backslash (1"\backslash )$

Mill the $1"$ radius circle perimeter in the center of the stock to a depth of $.1"$ NOT TO SCALE

Using R

G$54$ G$17$ G$40$ G$80$ G$20$ G$94$

G$20$ G$90$ G$94$

M$6$ T$1$