Interior and Exterior Angles of a Polygon

What is the formula for the sum of the interior angles of a polygon?

• S = (n-2)
• S = (n-2) 180
• S = 360 / n
• S = (n-2) 360

What is the sum of the Exterior angles of a Polygon?

• 360/n
• S = (n-2)360
• S = (n-2)180
• 360

What is the sum of interior angles of a pentagon?

• 360
• 540
• 180
• 760

What is the sum of exterior angles of a pentagon?

• 180
• 360
• 540
• 760

What is the sum of interior angles of a 27-gon?

• 4500
• 360
• 180
• 1500

What is the measure of each interior angle of a Regular Polygon?

• S = (n-2)180
• s/n
• S = (n-2)360
• 360/n

What is the measure of each interior angle of a regular octagon?

• 135
• 180
• 145
• 190

Tags

CCSS.7.G.B.5

What is the measure of each interior angle of a regular 20-gon?

• 90
• 146
• 162
• 122

Five angles of a hexagon measure 119°, 129°, 104°, 149°, and 95°.  What is the measure of the sixth angle?

• 89
• 105
• 720
• 124

What is the sum of the measure of the interior angles of an octagon?

• 180
• 960
• 1080
• 1280