Mathematics, 11.03.2022 16:10 debrielcalderon

Your sister uses a cardboard square and the lines of her eyesight to align the top and bottom of the rock wall. The horizontal measure from her to the rock wall is 13 feet 5 inches, while the vertical distance from the ground to her eyes is 5 feet 6 inches. What method is she using to approximate the height of the rock wall?

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