define perfect square for class 8
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a quadrilateral having all sides equal and all angles right angles is called square .
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Opposite sides are parallel, with all sides being equal.
A square has four lines of symmetry.
The order of rotational symmetry is 4.
The diagonals bisect each other at 90° or right angles.
All sides are equal.
Opposite sides are equal and parallel.
All angles are equal to 90 degrees.
a shape that has four straight sides of the same length and four angles of 90 degrees (right angles)
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