Open up Illustrator
Click on file, then new and scroll over to the print tab and then click create
On the left hand side, there will be a tool bar the one being used is going to be the rectangle tool, except we are going to right click that tool and use the ellipse tool
Starting off in the middle of thepage we are going to make a circle so hold down the shift key and drag out the mouse in order to form a circle
Using the rectangle tool again, right Click and use the polygon shape and again, hold down the shift key and create the polygon shape in the middle of the circle
Then there will be a line tool that looks like a / and we are going to click on that tool and starting from the corners of the polygon, you're going to extend the lines from touching the corner of the polygon to reach the end of the circle.