Quadrilateral LAMB is a parallelogram because opposite sides are parallel.
Quadrilateral
A quadrilateral is a polygon with four sides and four angles. Types of quadrilaterals are square, rectangle, kite, parallelogram, rhombus and so on.
A parallelogram is a quadrilateral in which opposite sides are opposite and parallel to each other.
Quadrilateral LAMB is a parallelogram because opposite sides are parallel.
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