Diagonal
A diagonal is a
line segment
that links two
vertices
of a
polygon
that are not
adjacent.
In a polygon with n sides (an "ngon") the number of diagonals is
Definiton and properties of the diagonals of a rectangle
Definiton and properties of the diagonals of a square
Definiton and properties of a parallelogram (coordinate geometry)
The diagonals of a parallelogram bisect each other.
Definition of the diagonals of a polygon, including a formula to calculate the number of them in an ngon
Definiton and properties of a rectangle (coordinate geometry)
The diagonals of a rhombus bisect each other at right angles.
Definiton and properties of a square (coordinate geometry)
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