Regular shapes:all sides and angles are the same Irregular shapes: different angle and sides
No, right triangles do not.
pentagon
Octagon, dodecagon, myriagon.
An angle must have 2 sides or it is no longer an angle.
Angle
Regular shapes:all sides and angles are the same Irregular shapes: different angle and sides
Angle
It is a point where two sides of the shape meet.
No, right triangles do not.
Obtuse triangles have an obtuse angle, and regular shapes with a number of sides equal to or greater than five have angles that are all obtuse.
Pentagons.
An obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees. The internal angles of any regular polygon with 5 or more sides will be obtuse.
dick
Polygons
a square
A pentagon