a - Crossword Labs

1. A complete circular track for racing, or a loop of wires for electricity. (7 letters)
3. A traditional medical treatment using tiny, thin needles to help pain. (11 letters)
4. Having smart brains that make brilliant, fast choices in business. (6 letters)
5. A sharp, sudden pain, or a math angle that is smaller than a square corner. (5 letters)
6. To move around a room chatting, or blood pumping around a body. (9 letters)
9. A perfectly round flat math shape with zero corners. (6 letters)
11. Spot on; completely correct with zero mistakes. (8 letters)

2. The boundary line that wraps all the way around the outside of a circle. (13 letters)
6. A fun show in a big tent featuring acrobats, clowns, and juggling. (6 letters)
7. A word used on history charts that means "about" a certain date (c.). (5 letters)
8. How neat and correct a piece of math or dart-throwing is. (8 letters)
10. How sharp and clear your eyesight or your thinking power is. (6 letters)