No, a cylinder is not a polygon. It is not a polygon because it has curved sides. In order to be considered a polygon, it would need to have flat sides. Also, a polygon is a 2 dimensional shape but a cylinder is a three dimensional shape.
The circle is an irregular shape because all of it is curved. * * * * * No. A circle is a regular shape. It is not a polygon and so cannot be a regular polygon but that does not prevent it from being a regular shape.
A trapezium is considered to be a regular shape. The trapezium is referred to as a regular polygon which has all sides equal.
square
A regular polygon must have all its sides equal and all its angles equal. The only regular quadrilateral is a square.
it is regular
No, a cylinder is not a polygon. It is not a polygon because it has curved sides. In order to be considered a polygon, it would need to have flat sides. Also, a polygon is a 2 dimensional shape but a cylinder is a three dimensional shape.
The circle is an irregular shape because all of it is curved. * * * * * No. A circle is a regular shape. It is not a polygon and so cannot be a regular polygon but that does not prevent it from being a regular shape.
In general, a diamond shape is neither a square nor a regular polygon. Only in an extreme form is it a square and therefore a regular polygon.
Any polygon whose sides are equal in length, such as a square, is a regular polygon.
An equilateral and equiangular polygon.
no
A 5 sided pentagon can be a regular or an irregular polygon.
A trapezium is considered to be a regular shape. The trapezium is referred to as a regular polygon which has all sides equal.
It is a regular 10 sided decagon
A sectagon is not a shape. I think you mean SEPTagon, which is a seven-sided polygon. It may or may not be regular. A regular polygon has all sides congruent and all angles congruent.
square