360 degrees. Interior angles= (n - 2) x 180 over nExterior Angles= 360/n
360 degrees
The sum of the interior angles of a parallelogram is 360 degrees.
2 lines of Symetry
yes
Yes
Yes.
A trapezium is not a parallelogram.
Yes
the opposite sides are the same
yes
Yes.
No a trapezoid is not a parallelogram