Names of Regular Polygons

5 sided shape

• Hexagon

• Octagon

• Pentagon

• Quadrilateral

Tags

CCSS.2.G.A.1

6 sided shape

• Octagon

• Hexagon

• Heptagon

• Decagon

Tags

CCSS.2.G.A.1

7 sided shape

• Septagon

• Octagon

• hexagon

• heptagon

Tags

CCSS.2.G.A.1

9 sided shape

• nonagon

• hexagon

• octagon

• dodecagon

Tags

CCSS.2.G.A.1

10 sided shape

• decepticon

• dodecagon

• decagon

• hexagon

Tags

CCSS.2.G.A.1

What is this shape?

• Circle

• Square

• Pentagon

• Octagon

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

What is this shape?

• Decagon

• Hexagon

• Octagon

• Nonagon

Tags

CCSS.5.G.B.3

CCSS.5.G.B.4

REGULAR in Maths means...

• Normal

• Two sides have the same length

• All sides are equal and all angles are equal

• It has right angles

Tags

CCSS.2.G.A.1

What is a regular polygon?

• Polygon with all sides congruent

• Polygon with all angles congruent

• Polygon with all sides and angles congruent

• Polygon with no sides or angles congruent

Tags

CCSS.2.G.A.1

What is the sum of the exterior angles in this polygon?

• 180

• 360

• 540

• 720