8-4 Interior Angles Polygons

Which of these figures are considered polygons?

• a, b, c, d
• b, d, e, f
• a, b, c
• a, e, f

Tags

CCSS.2.G.A.1

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 the figure a polygon? 

• Yes
• No
• Maybe
• IDK

Tags

CCSS.2.G.A.1

Polygon or Non-Polygon?

• Polygon
• Non-Polygon

Tags

CCSS.2.G.A.1

How many vertices does this shape have?

• 5
• 9
• 8

Tags

CCSS.6.G.A.4

Why is a Triangle called Isosceles?

• It has two sides that match
• It has three sides that match
• It has no sides that match
• It has four sides that match

Tags

CCSS.7.G.A.2

Why is a Triangle called Scalene?

• It has two sides that match
• It has three sides that match
• It has no sides that match
• It has four sides that match

Tags

CCSS.7.G.A.2

Why is a Triangle called a Right Triangle?

• It has 3 right angles
• It has 2 right angles
• It has 1 right angle
• It has 0 right angles

Tags

CCSS.4.G.A.2

CCSS.4.G.A.1

Why is a Triangle called an Acute Triangle?

• It has 3 acute angles
• It has 2 acute angles
• It has 1 acute angle
• It has 0 acute angles

Tags

CCSS.4.G.A.2

Why is a Triangle called an Obtuse Triangle?

• It has 0 obtuse angles
• It has 1 obtuse angle
• It has 2 obtuse angles
• It has 3 obtuse angles

Tags

CCSS.4.G.A.2

CCSS.4.G.A.1