Yes, opposite angles in a parallelogram must be equal.
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a parallelogram has parallel opposite sides and its opposite angles are congruent
A rhombus has 4 equal sides but no right angles
They are the pairs of sides which are parallel.
A parallelogram has opposite sides equal and parallel. A rectangle means the angles are all 90o as well as opposite sides being equal and parallel A rhombus means all sides are equal in length as well as opposite sides being parallel A parallelogram with angles of 90o (also a rectangle) and all sides equal (also a rhombus) is a square.
yes opposite angles are equal