90% Assessment Polygons Review

Level 1: An 8-sided polygon is called an

(a)  

Tags

CCSS.2.G.A.1

Level 1: A 9 sided polygon is called a

• hexagon

• pentagon

• nonagon

• decagon

Tags

CCSS.2.G.A.1

Level 1: A hexagon has how many interior angles?

• 4

• 5

• 6

• 7

Level 2: In these formulas, n means what?

Level 2: What formula would you use to find the measure of one interior angle of a regular polygon?

• $180\left(n-2\right)$

• $\frac{180\left(n-2\right)}{n}$

• $360\degree$

• $\frac{360\degree}{n}$

Level 2: Explain the process of finding the sum of interior angles of a hexagon (6 sides). What formula do you use? What is n equal to?

Level 2: What is the sum of exterior angles of a polygon equal to?

• Depends on the polygon

• $360\degree$

• $180\degree$

Level 2: What is the measure of the sum of interior angles of an octagon?

• I'm not sure

• $360\degree$

• $135\degree$

• $1,080\degree$

What is the measure of one interior angle of an octagon?

• I'm not sure

• $360\degree$

• $135\degree$

• $1,080\degree$

Level 2: What is the measure of x in this image?

Hint: How many sides does this polygon have? Use the formulas! What formula should you use for one interior angle?

• $108\degree$

• $540\degree$

• $180\degree$

• I'm not sure