Any quadrilateral (4-sided shape) has 2 diagonals.
A six sided hexagon has nine diagonals.
35 diagonals
There are 54 diagonals in a 12 sided shape
There is none. A 5 sided shape is a pentagon but that has 10 diagonals, not 2.
Any quadrilateral (4-sided shape) has 2 diagonals.
A six sided hexagon has nine diagonals.
35 diagonals
There are 54 diagonals in a 12 sided shape
There is none. A 5 sided shape is a pentagon but that has 10 diagonals, not 2.
Nine.
Nine
A convex shape.
Only a chevron has diagonals intersecting outside the shape. The diagonals of a symmetric chevron will intersect at right angles.
square
triangle
octagon