AMC 12 styleMultiple choice · A–EInspired by the format · not an official paper
Four horizontal lines and five vertical lines form a grid. How many rectangles have all four sides lying on the grid lines?
Medium to hard · original practice
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The full AMC 12 contains 25 multiple-choice problems in 75 minutes and excludes calculus. This original practice bank explores algebra, geometry, counting and number theory without a calculator. Scores here count correct answers only, not AMC scoring.
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Four horizontal lines and five vertical lines form a grid. How many rectangles have all four sides lying on the grid lines?