Review of Int./Ext. angles, parallelograms, rectangles and rhomb

What is the sum of the interior angles of a polygon?

What is the sum of the exterior angles of a polygon?

What is the measure of each exterior angle of a 15-gon?

What is the sum of the measures of the interior angles of a tetradecagon (14- sided polygon)?

If the exterior angle of a polygon measures $$30\degree$$ , how many sides does the polygon have?

Solve for the value of x. (answer must be written in form x = _)

(a)  

Solve for the value of x. (answer must be written in form x = _)

(a)  

Which polygons always have diagonals that are congruent? (select all that apply)

Which quadrilaterals always have consecutive angles that are supplementary?

Which quadrilaterals always have diagonals that bisect each other?