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A quadrilateral has exactly one pair of opposite sides parallel. What is it called?
AA rhombus
BA rectangle
CA square
DA trapezium
Answer & Solution
Correct answer: D. A trapezium
1. A parallelogram has both pairs of opposite sides parallel.
2. A trapezium is a quadrilateral with one pair of opposite sides parallel.
3. Only one pair is parallel, so a trapezium is not a parallelogram.
4. Rhombuses, rectangles and squares are all special parallelograms, so each has two parallel pairs.
_Source: Siyavula Mathematics Grade 10 (Everything Maths, CC BY 4.0), Chapter 12: Euclidean geometry_
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