None normally as in the form of a regular 5 sided pentagon.
46
5 sides
A regular 6 sided hexagon has no right angles.
4
Yes
none
scalene triangle dose not have any equal sides or angles =)
A right-angle triangle will have one right-angle (90 degrees).
none all it has is right angles
5
An acute angle is less than 90 degrees. Therefore, as a rectangle has 4 right-angles (90 degrees) there are no acute angles.
5 sides