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No, parallelograms and rectangles cannot have reflex angles. This is because

1. The sum of their interior angles must be 360 degrees.

2. Opposite angles must be equal.

3. If it were the case that a reflex angle existed, two angles would have to be greater than 180 by 2.

4. But by 1, the two angles would now sum over 360, and that cannot occur for a four-sided polygon.

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YES!!!

A parallelogram has four INTERNAL angles, they may be Acute, Right-Angled, or Obtuse.

However, the EXTERNAL angle corresponding to the given internal angle, will be a REFLEX Angle.

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lenpollock

Lvl 16
1mo ago
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Q: Does a parallelogram rectangle have a reflex angle?
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