angles of polygons

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

Tags

CCSS.7.G.B.6

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

Tags

CCSS.7.G.B.5

CCSS.7.G.B.6

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°
• 1080°
• 600°
• 540°

Tags

CCSS.7.G.B.5

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

• 720°

• 900°

• 1080°

• 1260°

Tags

CCSS.7.G.B.5

Find the value of X

• 94
• 25
• 36
• 180

Tags

CCSS.7.G.B.5

Find the value of y.

• 125
• 135
• 140
• 110

Tags

CCSS.7.G.B.5

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

• 135

• 180

• 145

• 190

Tags

CCSS.7.G.B.5

CCSS.7.G.B.6

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

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

Tags

CCSS.7.G.B.6

What is the formula for one exterior angle in a regular polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

Tags

CCSS.7.G.B.6