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No, they are equal. Adjacent angles are supplementary in a prallelogram.

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15y ago

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Are the opposite sides of a parallelogram supplementary?

Yes, the opposite sides of a parallelogram are equal in length, but they are not supplementary. Supplementary angles refer to two angles whose measures add up to 180 degrees. In a parallelogram, consecutive angles are supplementary, meaning each pair of adjacent angles sums to 180 degrees, while opposite angles are equal but not supplementary.


If opposite angles of a quadrilateral are supplementary is the quadrilateral a parallelogram?

No. A quadrilateral is a parallelogram when consecutiveangles are supplementary.


Do opposite angles in a parallelogram add up to 180?

No. Opposite angles are equal. Adjacent angles are supplementary.


Parallelogram consecutive angles conjecture?

The Parallelogram Consecutive Angles Conjecture states that the consecutive angles in a parallelogram are supplementary. This means that the sum of two adjacent angles in a parallelogram is always 180 degrees. This property follows from the fact that opposite angles in a parallelogram are congruent.


How Dow you that the opposite angles of a parallelogram are equal?

First of all, you know the opposite sides of a parallelogram are equal because of the definition of a parallelogram. Therefore, two adjacent angles in the parallelogram are supplementary, because same-side interior angles in two parallels and a transversal are always supplementary. Therefore, opposite angles in a paralellogram are equal, because two angles both supplementary to a third angle are equal to each other.


Are adjacent angles in a parallelogram are supplementary?

Adjacent angles in a parallelogram are supplementary.


True or false If opposite angles of a quadrilateral are supplementary then the quadrilateral is a parallelogram?

True


True or False- If opposite angles of a quadrilateral are supplementary then the quadrilateral is a parallelogram?

false


Is this statement true or falseIf a quadrilateral is a parallelogram, then its opposite angles are always supplementary?

false


What properties apply in a parallelogram?

Consecutive angles are supplementary Diagonals bisect each other Opposite angles are congruent Opposite sides are parallel


What shape has one pair of equal opposite angles?

A shape that has one pair of equal opposite angles is a parallelogram. In a parallelogram, opposite angles are equal, and consecutive angles are supplementary. This property is true for all types of parallelograms, including rectangles and rhombuses.


Does a parallelogram intersect at right angles?

A parallelogram does not necessarily intersect at right angles. In a parallelogram, opposite angles are equal, and adjacent angles are supplementary, which means they can vary in measure. However, if the parallelogram is specifically a rectangle or a square, then it does intersect at right angles. Otherwise, a general parallelogram typically does not have right angles.