Assessment

What is a polygon?

• A closed figure made up of straight line segments
• An open figure made up of straight line segments
• A closed figure made up of curved edges
• An closed figure made up of crossed line segments

Tags

CCSS.2.G.A.1

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

• Not a polygon, convex

• Polygon, convex

• Not a polygon

• Polygon, concave

A shape with 8 sides is called a __________.

• octagon
• pentagon
• hexagon
• triangle

Tags

CCSS.2.G.A.1

How many sides does a decagon have?

• 12
• 9
• 7
• 10

Tags

CCSS.2.G.A.1

What is the name of a 7 sided polygon?

• hexagon
• heptagon
• octagon
• nonagon

Tags

CCSS.K.G.A.2

CCSS.K.G.B.4

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

Find the sum of interior angles in a heptagon.

• 900
• 720
• 540
• 180

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

• 1440°

• 900°

• 1080°

• 1260°

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

• 90°
• 108°
• 120°
• 180°

Tags

CCSS.4.MD.C.5

CCSS.4.MD.C.7

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5