I think you might mean dodecagon, which is an 12-sided, 12-angled polygon.
a polygon with 12 sides is called a.. dodecagon
A polygon with 12 sides is called a dodecagon.
A 12-sided polygon is called a dodecagon.
Any polygon can have at least one right angled - for example a right angled triangle. An example of an irregular polygon with only right angles is a rectangle.
No.
A trapezium.
"many angled."
2
it's a polygon
A right angled parallelogram.
A polygon with 12 sides is a dodecagon