Sum of the Interior Angles of a Polygon

Find the value of X.

• 100

• 120

• 125

• 130

Find the size of angle x

• 108^o

• 120^o

• 90^o

• 144^o

Find angle x

• 247^o

• 67^o

• 157^o

• 203^o

Find angle x

• 125^o

• 215^o

• 35^o

• 65^o

Find the measure of angle E.

• 9°

• 97°

• 48°

• 79°

Tags

CCSS.HSG.CO.C.11

Find the measure of angle K.

• 9°

• 97°

• 48°

• 79°

Tags

CCSS.HSG.C.A.3

A polygon has a sum of interior angle measures equal to 1620°. How many sides does the polygon have?

• 9

• 11

• 13

• 7

Find the value of X

• 94

• 25

• 36

• 180

Which formula is used to find the sum of the interior angles of a polygon?

• 180

• 360

• (n-2)180

• n(n-3)/2

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

• 3960

• 360

• 15

• 4280