A parallelogram has opposite angles that are equal and consecutive angles that are supplementary (they add up to 180 degrees).
This means that if one angle measures, for example, 70 degrees, the angle directly opposite to it will also measure 70 degrees, while the two adjacent angles will each measure 110 degrees. This property holds true for all types of parallelograms, including rectangles, rhombuses, and squares.
To summarize the characteristics of angles in a parallelogram:
- Opposite angles are equal.
- Consecutive angles are supplementary.
Understanding these properties can help in solving geometric problems and proofs involving parallelograms.