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

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โˆ™ 2009-12-10 02:21:59
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Q: Are opposite angles in a parallelogram supplementary?
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Related questions

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.


Are all angles of parallelogram are congruent?

The answer is no. Opposite angles are congruent, Consecutive angles are supplementary.


Are adjacent angles in a parallelogram are supplementary?

Adjacent angles in a parallelogram are supplementary.


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.


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

false


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

True


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


Consecutive angles in a parallelogram are?

supplementary


In a parallelogram the consecutive angles are?

Supplementary.


Are the angles of a parallelogram supplementary?

Yes

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