A trapezium and a square are both quadrilaterals, but the key difference is the number of parallel sides. A square has two sets of parallel sides and four right angles, while a trapezium has only one set of parallel sides.
Parallel sides:
A square has two pairs of parallel sides, while a trapezium has only one.
Angles:
A square has four right angles, while a trapezium can have any combination of angles as long as the interior angles add up to 360°.
Side lengths:
A square has four equal sides, while a trapezium can have sides of different lengths.
Classification:
A square is a regular quadrilateral because all its sides and angles are equal. A trapezium is not a parallelogram because only one pair of sides are parallel.
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A square has four equal sides and 4 equal angles.
A trapezium has at most two equal angles and at most three equal sides.
A trapezium has 4 right angles...Correction: it has 4 angles but they are not right angles. A structure/shape with 4 right angles is a rectangle or square.
a triangle-based pyramid
The word trapezium contains four syllables.
A trapezium is a 4 sided quadrilateral with a pair of opposite parallel sides that have different lengths
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