ttokoro21-Topaz I3 years agoDecember 24, 2022SolvedHow to solve the 12 years kids puzzle.2 replies1702 viewsTranslate AllPuzzle-25. Solve red area of triangles. Prime 8 sheet attached. Q1 for 12 years kids. Q2 for Mathcad users. Symbolical solutions are better. 1_Puzzle-25.zipAlgebra_GeometryPuzzles Games