Ayamsen

A quadrilateral is a 2D shape with four straight sides. A diagonal is a line that joins to opposite corners of quadrilateral. Every quadrilateral has two diagonals. The diagonals always cut (cross) each other.







In some quadrilaterals the diagonal bisect each other. The word 'bisect' means to cut in half.

Here is some example of quadrilaterals:


















Here is some of  quadrilaterals characteristics:

A Square Has:

• all sides has the same length.
• 2 pairs of parallel sides.
• all angles 90 degrees.
• diagonals that bisects each other at 90 degrees.
• 4 lines of symmetry.
• order 4 rotational symmetry.

A Kite Has :

• 2 pairs of equal sides
• no parallel sides
• 1 pair of equal angles
• 1 diagonal that bisects each other
• diagonals that cross at 90 degrees
• 1 line of symmetry
• order 1 rotational symmetry

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