Regular vs Irregular polygons

Which shape is not a polygon?

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Classify this polygon

• Regular

• Irregular

Tags

CCSS.2.G.A.1

This polygon is...

• Irregular Heptagon

• Regular Heptagon

• Regular Hexagon

• Irregular Pentagon

Tags

CCSS.2.G.A.1

This polygon is...

• a regular Pentagon

• an irregular Hexagon

• an irregular Pentagon

Tags

CCSS.2.G.A.1

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 shape am I ?

• Regular pentagon

• Irregular Pentagon

Tags

CCSS.2.G.A.1

What shape am I ?

• Regular hexagon

• Irregular hexagon

Tags

CCSS.2.G.A.1

What shape am I ?

• Regular octagon

• Irregular octagon

Tags

CCSS.2.G.A.1

Which triangle is regular?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right-angled triangle

Tags

CCSS.4.G.A.2

A right angled triangle is an irregular polygon.

• Always true

• Sometimes true

• It is not a polygon

• Never true

Tags

CCSS.2.G.A.1