Calculating Angles in Regular Polygons

What is a regular polygon?

• A shape with all sides of different lengths

• A shape with all angles of different sizes

• A shape with all sides and angles equal

• A shape with no equal sides or angles

Tags

CCSS.2.G.A.1

How do you calculate the sum of interior angles of a polygon?

• Divide the number of sides by 180

• (Number of sides - 2) * 180

• Add 180 to the number of sides

• Multiply the number of sides by 180

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

• 720 degrees

• 360 degrees

• 540 degrees

• 180 degrees

What formula is used to calculate the sum of interior angles in a polygon?

• Number of sides / 180

• Number of sides * 180

• (Number of sides - 2) * 180

• (Number of sides + 2) * 180

How is the size of an individual interior angle in a regular polygon calculated?

• Add 180 to each angle

• Divide the sum of angles by the number of sides

• Multiply the number of sides by 180

• Subtract 2 from each angle

What is the individual interior angle of a square?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

If a polygon has 7 sides, what is the sum of its interior angles?

• 900 degrees

• 1260 degrees

• 1080 degrees

• 720 degrees

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

• None of the above

• 360 degrees

• The number of sides times 180

• 180 degrees

How do you find the size of an individual exterior angle of a regular polygon?

• Add 360 to the number of sides

• Multiply the number of sides by 180

• 180 divided by the number of sides

• 360 divided by the number of sides

What is the individual exterior angle of a pentagon?

• 90 degrees

• 108 degrees

• 60 degrees

• 72 degrees