How many 2 × 1 tiles are needed to cover a 4 × 6 board exactly?

12. The board has 4 × 6 = 24 unit squares. Each 2 × 1 tile covers 2 squares, so 24 ÷ 2 = 12 tiles.

How many $2 \times 1$ tiles are needed to cover a $4 \times 6$ board exactly?

Class 7Tiling PatternsGeometry

The board has

4 \times 6 = 24

unit squares. Each

2 \times 1

tile covers 2 squares, so 24 ÷ 2 = 12 tiles.

Answer: A) 12

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