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Does a parallelogram always have four sides?
Yes, and its opposite sides are always equal and its opposite angles are always equal. The angles and the sides can be any size.
How can you tell if it is a parallelogram?
A parallelogram is a quadrilateral (four-sided figure) in which both pairs of opposite sides are parallel. You can check for that, specifically. As an alternative, you can check for any of the following conditions: * Opposite angles are congruent * Opposite sides are congruent
How do you describe the angles and sides of each quadrilateral?
quadrilateral--a four-sided figure, any length sides, any angles trapezoid--one pair of parallel sides, any length sides, any angles parallelogram--two pairs of parallel sides, opposite sides congruent, opposite angles congruent rectangle--two pairs of parallel sides, opposite sides congruent, all angles are right angles (90 degrees) rhombus--two pairs of parallel sides, all sides congruent, opposite angles congruent square--two pairs of parallel sides, all sides congruetn, all angles are right angles (90 degrees)
Does a parelleogram have any symmetrical sides?
Yes, a parallelogram has 2 pairs of symmetrical sides. A rectangle is an example of a parallelogram but with all of its angles being 90 degrees whereas in a typical parallelogram none of the angles are 90 degrees. Opposite sides will be of equal lengths.
How many angles must measure 90 degrees in a parallelogram?
It is not a requirement that any of the angles are right angles (90 degrees), to qualify as a parallelogram.
