Angle Relationships

The angles in a triangle have a sum of ______ degrees.

Select all of the following that could be used to calculate the sum of the interior angles of an hexagon.

• (6-2)180

• (4)180

• (6)180

• (8-2)180

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

• 180 degrees

• 540 degrees

• 720 degrees

• 900 degrees

What is the sum of the interior angles of the polygon shown?

• 720° 
• 900° 
• 1080° 
• 1260° 

What is the sum of the interior angles for a 24-gon?

• 3,960

• 360
• 1580

• 4,280

Find the measure of the missing angle.

• 139°

• 66°

• 138°

• 116°

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

• 7
• 9
• 10
• 12

• 180 degrees

• 125 degrees

• 55 degrees

• 65 degrees

What is the measure of the pictured angle?

• 136 degrees

• 44 degrees

• 180 degrees

Which shows an angle that is 162°?

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