Parallelograms, Rhombuses & Trapezoids
Section: GeometryBank code: GEO-PTZGRE frequency: MediumPro
1. Core Idea
- Parallelogram: both pairs of opposite sides parallel.
- Rhombus: a parallelogram with all four sides equal.
- Trapezoid: exactly one pair of parallel sides.
In every one of them, the height is the perpendicular distance between the parallel sides — never the slanted side. That single confusion accounts for most errors in this topic.
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