Exploring Angles in Polygons

What is the formula to find the sum of the interior angles of a polygon?

• 180 * (n + 2)

• 360 / n

• n * 180

• 180 * (n - 2)

How many degrees are the interior angles of a pentagon when summed up?

• 1080 degrees

• 540 degrees

• 360 degrees

• 720 degrees

If the sum of the interior angles of a polygon is 540 degrees, how many sides does it have?

• 6 sides

• 7 sides

• 5 sides

• 4 sides

What is the measure of each interior angle in a regular nonagon?

• 140 degrees

• 120 degrees

• 160 degrees

• 180 degrees

If a polygon's interior angles sum up to 1800 degrees, how many sides does it have?

• 14 sides

• 12 sides

• 10 sides

• 8 sides

For a regular 23-gon, what is the sum of its interior angles?

• 4000 degrees

• 3900 degrees

• 3600 degrees

• 3780 degrees

How many sides does a polygon have if the sum of its interior angles is 1980 degrees?

• 14 sides

• 13 sides

• 12 sides

• 15 sides

What is the sum of the exterior angles of any regular polygon?

• 360 degrees

• 180 degrees

• 540 degrees

• 720 degrees

What would be the measure of one exterior angle of a regular pentagon?

• 90 degrees

• 60 degrees

• 72 degrees

• 45 degrees

What is the measure of one exterior angle in a regular octagon?

• 45 degrees

• 40 degrees

• 50 degrees

• 55 degrees