1 Pair Of Parallel Sides. Also opposite sides are parallel and opposite angles are equal. Another interesting thing is that the diagonals (dashed lines) meet in the middle at a right angle.
8 6 Trapezoids Definitions Trapezoid A Quadrilateral With Exactly One Pair Of Parallel Sides Bases The Parallel Sides Legs The Sides That Are Not Parallel Ppt Download from images.slideplayer.com
Parallelogram is a quadrilateral whose opposite sides are parallel and pairwise equal(lie on parallel lines). Look at each pair of sides and see if they are parallel. Parallelograms differ in size of an adjacent sides and angles but opposite angles is equal.
Notice that they are not adjacent angles.
Quadrilateral qrst has two pairs of congruent sides, but it is not a parallelogram. And to move further with the argument of it may be rectangle or any, the description relates even a rectangle, square, and rhombus. One pair of parallel sides are called as parallogram. So we're dealing with a parallelogram.
