Angles in polygons 1

What is the formula for the sum of the interior?

• S=360
• S=(n-2)180
• n=360/ext. angle
• 1 int. angle + 1 ext. angle=180

Tags

CCSS.HSG.CO.C.10

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

• 90°
• 108°
• 120°
• 180°

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Tags

CCSS.2.G.A.1

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

• 180° 
• 540° 
• 720° 
• 1080° 

Tags

CCSS.4.MD.C.7

How many sides does an octagon have?

• 8
• 7
• 6
• 9

Tags

CCSS.2.G.A.1

What is the name of the figure shown? 

• Square
• Rectangle
• Rhombus
• Trapezoid

Tags

CCSS.3.G.A.1

Sabra's glasses have lenses that are the shape shown in the picture below. Which of the following could NOT be used to describe the lenses? 

• Quadrilateral
• Regular Polygon
• Hexagon
• Opposite sides parallel

Tags

CCSS.2.G.A.1

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7
• 9
• 10
• 12

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Find the sum of interior angles in a heptagon

• 900
• 720
• 540
• 180