Common shapes with less than 4 sides are triangles and circles ( but the circle has no straight sides).
A shape with four sides has four vertices and a shape with three sides has three vertices, so a shape with four sides has more vertices than a shape with three sides.
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A triangle or a circle.
There is no special name that distinguishes shapes with more than four sides from shapes with four or fewer.
Shape has fewer than 6 sides
A RECTANGLE HAS 4 SIDES; A HEXAGON 6; A PENTAGON has 5 sides
Common shapes with less than 4 sides are triangles and circles ( but the circle has no straight sides).
It is a triangle shape wich has 3 sides whereas a rectangle has 4 sides.
That could be any quadrilateral or pentagon.
The description given can be applicable to some 4 sided quadrilaterals like a square or a rectangle.
Two triangles.
Any shape with 4 acute angles must have more than 4 sides. Any shape with more than 4 sides can have 4 acute angles (but doesn't have to).
A shape with four sides has four vertices and a shape with three sides has three vertices, so a shape with four sides has more vertices than a shape with three sides.
A 4 sided shape which is a quadrilateral has more vertices than a 3 sided shape which is a triangle
A square.
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