Array a Circle - AutoCAD (HD1080)

follow the steps below: 1. "XL": create 2 lines of infinite length 2. "RO": rotate one of 2 lines 3. "AR": array a circle 4. select "Polar" 5. "F": set fill angle 6. "I": set items 7. exit array 8. "RO": rotate whole array 9. done