6-2 Warm Up

Which of these shapes has an exterior angle sum of 360º?

• Hexagon

• Heptagon

• Nonagon

• Decagon

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7
• 9
• 10
• 12

A shape has an interior angle sum of 1800º. Name that polygon

• Dodecagon

• Decagon

• Octagon

• Hexagon

An exterior angle of a regular polygon measures 36°. How many sides does the polygon have?

• 10

• 5

• 14

• 9

A polygon has an exterior angle of 60º. Name that polygon.

• Heptagon

• Hexagon

• Decagon

• Pentagon

The measures of one interior angle of a regular polygon is 140^o. What is the name of the polygon?

• Decagon

• Nonagon

• Heptagon

• Hexagon

A regular polygon has an interior angle that measures 108º. How many sides does it have?

• 5

• 6

• 7

• 8

Solve for x. 

• 12
• 10
• 25
• 5

Find the value of X.

• 60
• 120
• 85
• 55

Find the measure of angle K.

• 9
• 97°
• 48°
• 79°