Polygon Angles

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

• A) 540°

• B) 720°

• C) 900°

• D) 1080°

Tags

CCSS.7.G.B.6

A pentagon has interior angles of 108°, 120°, 92°, and 110°. What is the measure of the missing angle?

• A) 110°

• B) 135°

• C) 140°

• D) 145°

Tags

CCSS.7.G.B.5

If the sum of the interior angles of a polygon is 1800°, how many sides does the polygon have?

• A) 12

• B) 13

• C) 14

• D) 15

A regular octagon has sides of equal length and angles of equal measure. What is the measure of each interior angle?

• A) 135°

• B) 140°

• C) 145°

• D) 150°

Tags

CCSS.7.G.B.5

The sum of the interior angles of a polygon is 360°. How many sides does the polygon have?

• A) 3

• B) 4

• C) 5

• D) 6

Tags

CCSS.7.G.B.5

A triangle has two angles measuring 45° and 55°. What is the measure of the third angle?

• A) 70°

• B) 80°

• C) 90°

• D) 100°

Tags

CCSS.7.G.B.5

What is the sum of the interior angles of a decagon (10-sided polygon)?

• A) 1440°

• B) 1800°

• C) 2160°

• D) 2520°

Tags

CCSS.7.G.B.5

CCSS.7.G.B.6

A quadrilateral has three angles measuring 90°, 85°, and 95°. What is the measure of the fourth angle?

• A) 90°

• B) 95°

• C) 100°

• D) 105°

Tags

CCSS.7.G.B.5

If a polygon has 7 sides, what is the sum of its interior angles?

• A) 900°

• B) 1080°

• C) 1260°

• D) 1440°

The sum of the interior angles of a polygon is 2340°. How many sides does the polygon have?

• A) 15

• B) 16

• C) 17

• D) 18

Tags

CCSS.7.G.B.5

CCSS.7.EE.B.4