Exterior Angles Sum Theorem

Find the sum of all the exterior angles for this polygon.

Find the value of x.

Find the value of x.

What is the sum of exterior angles for a 27-gon?

• 4860

• 4500

• 360

• 270

What is the sum of the exterior angles of a 20-gon?

• 180

• 360

• 3240

• 162

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

• 1440⁰

• 360⁰

• 144⁰

• 1800⁰

What is the sum of the exterior angles of a decagon

• 1440

• 360

• 540

• 720

If you wanted to find the sum of the exterior angles of a decagon, which formula would you use?

• (n-2)*180

• 360/n

• (n-2)*180/n

• 360 degrees

Find the measure for one exterior angle of the regular polygon.

What is the SUM of the exterior angles of a 20-gon?

• 180

• 360

• 3240

• 162