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Earn +20 ptsQ: Do all parallelograms have at least one right angle?
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Continue Learning about Geometry
Do all parallelograms have at least one obtuse angle?
Most do, but a square or rectangle is a special case and has all right angles.
Do all quadrilaterals have at least one right angle?
No. There are quadrilaterals that have no right angles.no,what about a trapizoid or rhombus
What are the 5 properties of parallelograms?
If one angle is right, then all angles are right. The diagonals of a parallelogram bisect each other. Opposite angles are congruent. Opposite sides are congruent. Consecutive angles are supplementary.
What is the counterexample for all parallelograms are rectangles?
any parallelogram that does not have right angles.
Are all trapezoids parallelograms?
No trapezoids are parallelograms, and no parallelograms are trapezoids.
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