4
4 sides and 4 interior angles
A parallelogram has 4 interior angles that add up to 360 degrees
It has 10 interior angles that add up to 1440 degrees
A trapezoid is a 4 sided quadrilateral that has 4 interior angles that add up to 360 degrees.
what is the total of interior angles in a nonagon?
It has 18 interior angles.
There are 4 interior angles in a quadrilateral
Interior angles of n-sided polygon = (2n - 4) right angles. In this case (2n - 4) = 2880/90 ie 32, so n = 18
A hexagon has six interior angles.
Eight and interior angles of and octagon have is 8 eight
4 angles
(number of sides -2)*180 = sum of interior angles