Solve Puzzle 1 to unlock this puzzle.
Estimated difficulty: Hard
Both squares have side 10 cm. A corner of the tilted square lies exactly at the center of the other square. Find their shaded overlap area. The angle of rotation is not given.
Enter the correct answer to unlock Puzzle 8.
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
| Rank | Name | Solved |
|---|
Your recovery code
Your progress is saved online. Save this code somewhere private to log back in or use another device. Anyone with it can access your progress.