It is called a diagonal.
straight angle
the measure of a straight-line distance between two points is called length.
Vertexes, vertices, or corners.
The corners are called vertices which is the plural of vertex
It is a 5 sided pentagon that has 5 corners which are called vertices.
The angle that is formed by the opposite rays is called the straight angle. This is from the fact that the opposite rays form a straight line.
is called a straight angle
straight angle
A line is a straight path that extends infinitely or endlessly in opposite directions. A straight path that joins two points is called a line segment.
straight angle
It is called a line segement
In some English dialects, gay men were referred to as "bent," making "straight" a reasonable opposite.
Corners
A straight angle.
the measure of a straight-line distance between two points is called length.
A parallelogram has four sides, the opposite sides to each other are parallel BUT the corners are NOT 90o angles.
Vertexes, vertices, or corners.