Solve Puzzle 1 to unlock this puzzle.
Estimated difficulty: Hard
The two circles have the same center. The 14 cm segment has both endpoints on the outer circle and is tangent to the inner circle (it just touches it). Find the shaded area between the circles.
Enter the correct answer to unlock Puzzle 7.
All puzzles
- Puzzle 1 · Medium (estimated)
- Puzzle 2 · Medium (estimated) · Locked
- Puzzle 3 · Hard (estimated) · Locked
- Puzzle 4 · Medium (estimated) · Locked
- Puzzle 5 · Hard (estimated) · Locked
- Puzzle 6 · Hard (estimated) · Locked
- Puzzle 7 · Hard (estimated) · Locked
- Puzzle 8 · Hard (estimated) · Locked
- Puzzle 9 · Hard (estimated) · Locked
- Puzzle 10 · Hard (estimated) · Locked
- Puzzle 11 · Hard (estimated) · Locked
- Puzzle 12 · Hard (estimated) · Locked
- Puzzle 13 · Hard (estimated) · Locked
- Puzzle 14 · Hard (estimated) · Locked
- Puzzle 15 · Hard (estimated) · Locked
- Puzzle 16 · Hard (estimated) · Locked
- Puzzle 17 · Hard (estimated) · Locked
- Puzzle 18 · Hard (estimated) · Locked
- Puzzle 19 · Hard (estimated) · Locked
- Puzzle 20 · Hard (estimated) · Locked
- Puzzle 21 · Hard (estimated) · Locked
Leaderboard
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