Polygon Angle properties

What are the sum of the exterior angles of a triangle?

• 120

• 180

• 270

• 360

What is the sum of the interior angles of a nonagon

• 180

• 360

• 720

• 1,260

Find the value of x.

• 4.14

• 17

• 20

• 36

Classify the polygon with a sum of the interior angles of 1,440 degrees

• Dodecagon

• Decagon

• Quadrilateral

• Heptagon

Find the value of x.

• x = 33

• x = 47

• x = 50

• x = 110

What is a regular polygon?

• A polygon with different sides and angles.

• A polygon with equal sides and equal angles.

• A polygon with curve sides.

Name the polygon.

• heptagon

• hexagon

• nonagon

• decagon

• pentagon

Find the value of X

• 94
• 25
• 36
• 180

Tags

CCSS.7.G.B.5

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Tags

CCSS.HSG.C.A.3

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 90°

• 108°

• 120°

• 180°