Proof WritingMediumProblem-Solving Strategies ShareProblem-Solving Strategies · Medium problemWhich colouring proves that a 10×1010 \times 1010×10 board cannot be tiled by 1×41 \times 41×4 bars?Acolour cell (i,j)(i, j)(i,j) by (i+j) mod 4(i + j) \bmod 4(i+j)mod4Bthe ordinary checkerboardCcolour each row by the parity of iiiDcolour cell (i,j)(i, j)(i,j) by i mod 4i \bmod 4imod4Check Show answer Walk through it step by step Practice more like this Review this concept