Area of a Parallelogram
Cut along the height, slide, and it's a rectangle: area = base × height
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Cut along the height, slide, and it's a rectangle: area = base × height
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The parallelogram area formula isn’t for memorizing: cut off a right triangle along the height, slide it to the other side, and the parallelogram becomes a rectangle — same base, same height, so area = base × height. Tap “Cut & slide” to watch the transformation, then adjust the base and height and see the formula update live.
Tap “Cut & slide”: the right triangle cut from the left slides across, and the parallelogram becomes a rectangle — same base, same height, so the area is base × height. Then adjust base and height and watch the formula update live.