In a 2d diamond there are 2 diagonals.
There are two in the quadrilateral known as a diamond.
it has approxemetily 0 sides
2d
It has 1,345,890 diagonals
You can illustrate the geometric diamond shape by drawing of two sets of diagonal lines, with the ends of each set connecting to the ends of the other set.
There are two in the quadrilateral known as a diamond.
A heptagon.
square,
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it has approxemetily 0 sides
a 2d shape=4
54 Diagonals. * * * * * A polygon with n sides has 1/2*n*(n-3) diagonals. So a decagon would have 1/2*10*7 = 35 diagonals. How the Community answer got 54 is anybody's guess!
There are infinitely many of them.There are infinitely many of them.There are infinitely many of them.There are infinitely many of them.
2d
It has 1,345,890 diagonals
Not for every parallelogram. Only for a rhombus (diamond) or square will the diagonals bisect the opposite angles they connect, and diagonals are perpendicular. In rectangles, the diagonals do not bisect the angles and are notperpendicular, but they do bisect each other.
As a 2d object, a diamond had four sides. As a 3d object, there are many different types of diamonds, all with their own numbers of vertices, edges and faces.