Angles of Polygons

Find the value of X.

• 100
• 120
• 125
• 130

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

CCSS.4.OA.A.3

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

• 135
• 180
• 145
• 190

Tags

CCSS.7.G.B.5

Is the figure a polygon? Is it convex or concave?

• Not a polygon, convex
• Polygon, convex
• Not a polygon
• Polygon, concave

Tags

CCSS.2.G.A.1

Find the angle SUM of the interior angles of the polygon.

• 720°

• 900°

• 1080°

• 1260°

Tags

CCSS.7.G.B.5

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Tags

CCSS.2.G.A.1

Find the value of y.

• 125
• 135
• 140
• 110

Tags

CCSS.7.G.B.5

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

• 180

• 360

• 3240

• 162

What is a polygon called if the sum of its interior angles equals 1440° ?

• Octogon

• Nonagon

• Decagon

• Dodecagon

The measures of one interior angle of a regular polygon is 140^o. What is the name of the polygon?

• Decagon

• Nonagon

• Heptagon

• Hexagon

Tags

CCSS.7.G.B.5

Find the measure of angle E.

• 9
• 97°
• 48°
• 79°

Tags

CCSS.HSG.C.A.3