How do I divide a circle into equal parts like a pie chart with Adobe Illustrator?

Is there a fairly simple way to divide a circle into equal parts using Adobe Illustrator CC?

Answer

Polar Grid tool… just tap the arrow keys while you drag.
Up/Down for inner circles, left/right for diameter divisions.

grid

Or, Option/Alt-click with the Polar Grid tool to set specific numbers of divisions.

Attribution
Source : Link , Question Author : Shawn Sharp , Answer Author : Scott