there is such a thing as an irregular polygon that has sides of different sizes. all REGULAR polygons however have equal sides
The name of a regular polygon with five equal sides and five equal angles is a pentagon. Each of the internal angles is equal to 108 degrees.
An octagon is a polygon that has 8 sides
A polygon with ten sides would be called a decagon.
Opposite sides of a rectangle must always be equal.
Yes, and its opposite sides are always equal and its opposite angles are always equal. The angles and the sides can be any size.
360/18 ie 20 sides
A polygon is a closed 2-D shape with sides made from straight line segments.
it is usually called a heptagon or septagon. but we usually call it a heptagon. :)
because it has equal sides and you can fold it anyway and it will still have equal sides
an equilateral triangle has all its angle and sides equal
Not always but a square and a rhombus have 4 equal sides
Mo such shape/thing as a 'polgon'. If you mean ' polygon'. The word 'polygon' means a 2-dimensional shape (--gon) of many sides (poly--). So the word 'polygon' mean an many sided shape. For a specific number of sides it becomes;- trigon ( triangle) 3 sides quadragon ( quadrilateral ) 4 sides pentagon 5 sides et seq.,