Pentagon
If the angles also have the same measure, then it is called a regular polygon.
a convex polygon has 6 sides . What is the sum of the measure of its interior angles?
It will have 102 sides
A regular 10 polygon
a polygon with all sides the same length and all angles the same measure is called?
47 sides
It is an irregular polygon
15 equal sides
Triangle
It will have 4 sides which could be a square or a rectangle
All of the angles are equal in a "regular" polygon. (All of the sides are too.)
It is then called a regular polygon when all angles and sides are of equal values.