Solve Puzzle 1 to unlock this puzzle.
Estimated difficulty: Hard
Triangle ABC has area 588 cm². D lies on BC with BD:DC = 3:1, E is the midpoint of AC, and AD meets BE at P. Two segments parallel to BC run across the triangle, one through E and one through P. Find the shaded area of the strip between them.
Enter the correct answer to unlock Puzzle 13.
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