A heptagon.
square,
In a 2d diamond there are 2 diagonals.
12=)Improved Answer:-It has 14 because the formula of 0.5*(49-27) = 14 diagonals
12=)Improved Answer:-It has 14 because the formula of 0.5*(49-27) = 14 diagonals
Tetradecagon.
It is known as a tetradecagon.
A 14 sided polygon is called a tetrakaidecagon.
There are 7*(7-3)/2 = 7*4/2 = 14 diagonals.
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In a heptagon there is 14 diagonals
the mathematical term meaning the line between 2 corners of a 2D or 3D shape. example: a hexagon has nine diagonals
10 sided 2D shape is called a decagon 20 sided 2D shape is called a icosagon 30 sided 2D shape is a swimming pool 40 sided 2D shape is unknown 50 sided 2D shape is unknown 60 sided 2d shape is unknown 70 sided 2d shape is unknown 80 sided 2d shape is unknown 90 sided 2d shape is unknown 100 sided 2d shape is unknown 110 sided 2d shape is unknown 111 sided 2d shape is unknown 120 sided 2d shape is unknown 130 sided 2d shape is unknown