Angles of Polygons

What is the sum of the interior angles of an octogon?

• 900°

• 1080°

• 1260°

• 1440°

What is the sum of the interior angles of a 25-gon?

• 360°

• 4500°

• 335°

• 4140°

Tags

CCSS.7.G.B.6

Find the value of x.

• 100°

• 120°

• 125°

• 130°

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5

Find the measure of angle K.

• 9°

• 97°

• 48°

• 79°

Find the measure of angle E.

• 9°

• 97°

• 48°

• 79°

Tags

CCSS.HSG.CO.C.9

The sum of the interior angles in a polygon is 900^o. How many sides does the polygon have?

• 5

• 9

• 10

• 7

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5

The sum of the interior angles of a polygon is 6,660°. How many sides does the polygon have?

• 41

• 39

• 37

• 33

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.4

CCSS.HSA.REI.B.3

What is the measure of one interior angle in a regular pentagon?

• 90°

• 108°

• 120°

• 180°

The sum of the interior angles in a regular 16-gon is 2,520°. What is the measure of one interior angle?

• 2520°

• 2880°

• 180°

• 157.5°

Tags

CCSS.HSG.CO.A.1

What is the sum of the exterior angles of a 20-gon?

• 180°

• 360°

• 3240°

• 162°