Trapezoid or Trapezium.
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a trapezoid has only 1 parrellel side and a rhombus has 2
There are absolutely 0 parallel lines in any given triangle.
Reflection symmetry, reflectional symmetry, line symmetry, mirror symmetry, mirror-image symmetry, or bilateral symmetry is symmetry with respect to reflection
Trapezoid or Trapezium.
No
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Not sure about angels and parrellel, but a trapezium has four angles and only one pair of parallel lines.
Yes opposite lines are parallel
An Square
Any odd-sided shape.
In a regular nonagon no two sides are parallel.
$23 $23
square,rectangle,rhombus, and parallelagram
equator
Parallel Lines-lines that never cross and stay the same distance apart.