quadrilateral
A quadrilateral is a polygon with four sides and four vertices
A quadrilateral is a polygon with four sides and four vertices. It is a closed shape with straight sides. The sum of the interior angles of a quadrilateral is always 360 degrees.
There are several types of quadrilaterals, each with its own unique properties. Let’s explore some of the most common types:
1. Rectangle: A rectangle is a quadrilateral with four right angles (90 degrees each). Opposite sides of a rectangle are equal in length. The diagonals of a rectangle are equal in length and bisect each other.
2. Square: A square is a special type of rectangle where all four sides are equal in length. All angles in a square are right angles, and the diagonals are equal and bisect each other at right angles.
3. Parallelogram: A parallelogram is a quadrilateral with opposite sides that are parallel. Opposite sides of a parallelogram are equal in length. The opposite angles in a parallelogram are also equal. The diagonals bisect each other.
4. Rhombus: A rhombus is a parallelogram with all sides of equal length. The opposite angles in a rhombus are equal. The diagonals of a rhombus bisect each other at right angles.
5. Trapezoid: A trapezoid is a quadrilateral with one pair of parallel sides. The non-parallel sides are called legs, and the parallel sides are called bases. The diagonals of a trapezoid do not bisect each other.
Remember, these are just a few examples of quadrilaterals. There are other specialized types as well, such as kites and irregular quadrilaterals.
When working with quadrilaterals, it is important to consider their unique properties and use appropriate formulas to find missing measures or solve problems.
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