Polygons and Their Angles

Find angle x

• 247^o

• 67^o

• 157^o

• 203^o

What is the measure of one angle in a regular 20-gon.

What is the measure of one angle in a regular 40-gon?

• 180

• 6840

• 171

• 189

What must be true about angles 1 and 4.select two correct answers

• they are vertical angles

• they are congruent angles

• they are adjacent angles

• they have a sum 180 degrees

• they are right angles

Triangles have angle measures that have a sum of ..... degrees.

What would the measure for angle a be?

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

• 450

• 360

• 720

• 540

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

• 720

• 360

• 540

• 900

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

• 90

• 360

• 180

• 270

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

• 360

• 720

• 180

• 540