1. Different quadrilaterals are square, rhombus, parallelogram, rectangle and trapezoid.
2. They found out that both square and rhombus has 4 equal sides. But a square has 4 right angles while rhombus has no right angles.
3. The main difference between them is that a square has all equal sides, whereas, in a rectangle, the opposite sides are equal. In other words, a square is a rectangle in which adjacent sides are equal and the interior angles are equal to 90°.
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