8.1 & 8.2 HW - Angles of Polygons & Properties of Parallelograms

What is the sum of the measures of the interior angles of an octagon?

What is the sum of the measures of the interior angles of a 25-gon?

What is the measure of each interior angle of a regular hexagon?

What is the measure of each interior angle of a regular 16-gon?

What is the sum of the measures of the exterior angles of a decagon?

What is the measure of each exterior angle of a regular 30-gon?

An exterior angle of a regular polygon measures 22.5 degrees. How many sides does it have?

An interior angle of a regular polygon measures 170 degrees. How many sides does it have?

If the sum of the measures of the interior angles of a polygon is 1980 degrees, how many sides does the polygon have?

If the sum of the measures of the interior angles of a polygon is 5400 degrees, how many sides does the polygon have?