Warm UP Polygons

A polygon is a shape with 3 or more straight sides such as a...

• Triangle

• Square

• Circle

• Rectangle

Tags

CCSS.2.G.A.1

How many triangles are there in a octagon?

What is the name of a 10-sided polygon?

• Dodecagon
• Decagon
• Nonagon
• Ocatgon

Tags

CCSS.2.G.A.1

How do you find the sum of the interior angles of a polygon?

How many triangles are there in a 43-gone?

• 46

• 45

• 40

• 41

What is the sum of the measures of the interior angles of a hexagon?

How many triangles are there in a polygon in relation to the number of sides?

• 2 less triangles than sides

• 2 more triangles than sides

• 2 times as many

• sides divided by 2

What is the sum of the interior angles?

• 1080

• 1260

• 1440

• 1620