Polygon

Creates an equilateral closed polyline

Home tab > Draw panel > Polygon

Enter number of sizes: 6

Snap to the center of the circle

Select Inscribed in circle

Specify radius of circle: 500

All corners touching the edge of circle

Start Polygon command. press Enter for the same sizes
Pick the center of the small circle
Select Circumscribed about circle

Specify radius of circle: 300

Middle of each edge touching the circle

Start Polygon command
Press Enter for the same sizes
Command line: Edge

Snap to a point of the previous polygon

Snap to another point