Exploring Interior and Exterior Angles of Polygons

What is the minimum number of line segments required to form a polygon?

• Two

• Three

• Four

• One

Which type of polygon has all sides and angles congruent?

• Regular polygon

• Convex polygon

• Concave polygon

• Irregular polygon

Tags

CCSS.2.G.A.1

What type of polygon is always convex?

• Irregular polygon

• Regular polygon

• Concave polygon

• None of the above

Tags

CCSS.2.G.A.1

What is the term used for a polygon with 12 sides?

• Octagon

• Nonagon

• Dodecagon

• Decagon

Tags

CCSS.2.G.A.1

What is the correct term for a seven-sided polygon?

• Septagon

• Heptagon

• Pentagon

• Hexagon

Tags

CCSS.2.G.A.1

How is the sum of the interior angles of a polygon calculated?

• n times 180

• 2n times 180

• n plus 2 times 180

• n minus 2 times 180

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

• 180 degrees

• 720 degrees

• 360 degrees

• 540 degrees

Using the formula for the sum of interior angles, what is the sum for a 23-gon?

• 3960 degrees

• 3420 degrees

• 3600 degrees

• 3780 degrees

If a regular polygon has each interior angle measuring 150 degrees, how many sides does it have?

• 14 sides

• 8 sides

• 10 sides

• 12 sides

How do you calculate the measure of each interior angle in a regular polygon?

• Divide the sum of all interior angles by the number of sides

• Multiply the number of sides by 180

• Add 180 to the number of sides

• Subtract 180 from the number of sides