A cow
Not necessarily. It is a side only if the two vertices it connects are consecutive.
square
the pairs of angles on one side of the transversal but inside the two lines.
a right angle, a obtuse angle, and an acute angle.
They form a vertex of the polygon.
Included side
either an obtuse, acute, or right angle
A cow
Not necessarily. It is a side only if the two vertices it connects are consecutive.
square
False
the pairs of angles on one side of the transversal but inside the two lines.
Any polygon can have, and every regular polygon has.
a right angle, a obtuse angle, and an acute angle.
They form a vertex.
a vertex