Most scientist call a shape with 14 sides a "14-gon" You can also use tetradecagon
A fourteen-sided regular polygon is called a tetradecagon or a tetrakaidecagon.
A shape with 7 sides is a heptagon
A shape with three sides is a triangle.
you call a two dimensional shape with six sides a hexagon
Triangle is a shape with three sides.
A shape with 8 sides is an octagon.
it has 14 sides and 14 angles
A regular shape.
a shape with nine sides is called nonagon
Tetradecagon is the correct name for a shape with 14 sides. :D
It is an irregular shape