Yes.
There is no specific term that distinguished between shapes with more than 11 sides from those with up to 11 sides.
There are many such shapes. Any polygon with an even number of sides can have opposite sides that meet the above requirements.
Endecagon (or hendecagon) and dodecagon.
Any odd-sided shape.
There are many shapes with 2 parallel sides. These are generally called quadrilaterals, they are shapes like squares, and rectangles. ================================================= ANY shape with more than 3 sides can have 2 parallel ones. Its name depends on how many sides it has in total..
There is no specific term that distinguished between shapes with more than 11 sides from those with up to 11 sides.
Hendecagons.
Any shapes that have 4 sides are quadrilaterals
Any shapes that have 4 sides are quadrilaterals
Any shapes that have seven sides.
Any regular shapes have equal sides, including squares and equilateral triangles. Irregular shapes can also have equal sides, but not equal angles.
it is a octogon
Most shapes do not have equal sides. In nature, shapes with equal sides are the exception rather than the rule.
There are many such shapes. Any polygon with an even number of sides can have opposite sides that meet the above requirements.
Endecagon (or hendecagon) and dodecagon.
No
Any odd-sided shape.