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Block! Triangle Puzzle: Tangram Rainbow D Level 21 Solution

Updated 2026-06-09. Use the solved board and placement order to finish this tangram puzzle level.

  • Rainbow D
  • 7x12 board
  • 12 real pieces

Answer

  • Real placement order: Piece 3 -> Piece 10 -> Piece 0 -> Piece 5 -> Piece 4 -> Piece 6 -> Piece 8 -> Piece 1 -> Piece 2 -> Piece 9 -> Piece 7 -> Piece 11

Solved Board

Rainbow D Level 21 uses 12 real pieces on a 7x12 triangle board.

13 cells per row 156 board cells Block count 11 Reverse

Piece Key

Piece 0 - 4 cells Piece 1 - 6 cells Piece 2 - 4 cells Piece 3 - 5 cells Piece 4 - 6 cells Piece 5 - 5 cells Piece 6 - 5 cells Piece 7 - 6 cells Piece 8 - 6 cells Piece 9 - 4 cells Piece 10 - 3 cells Piece 11 - 6 cells

Placement Order

  1. Place Piece 3 5 cells
  2. Place Piece 10 3 cells
  3. Place Piece 0 4 cells
  4. Place Piece 5 5 cells
  5. Place Piece 4 6 cells
  6. Place Piece 6 5 cells
  7. Place Piece 8 6 cells
  8. Place Piece 1 6 cells
  9. Place Piece 2 4 cells
  10. Place Piece 9 4 cells
  11. Place Piece 7 6 cells
  12. Place Piece 11 6 cells

Hints

  1. Start with Piece 3; it is the first real piece in the solved placement order.
  2. Use the board colors to match each piece shape before placing Piece 11 last.
  3. A reversed piece may need to be mirrored against the solved board shape.

Walkthrough

Rainbow D Level 21: follow the solved board from the first real piece to the last piece. Place Piece 3, then Piece 10, then Piece 0, then Piece 5, then Piece 4, then Piece 6, then Piece 8, then Piece 1, then Piece 2, then Piece 9, then Piece 7, then Piece 11. Check mirrored placement for reversed pieces.

Related Rainbow D Levels

Rainbow D Level 1 Rainbow D Level 2 Rainbow D Level 3 Rainbow D Level 4 Rainbow D Level 5 Rainbow D Level 6

About this guide

  • Game version 1.0
  • Source: gameplay
  • Reviewed by GameAnswersHub
  • Last updated 2026-06-09

This guide was created from gameplay and reviewed for accuracy. Game titles, images, and trademarks belong to their respective owners.

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