Chapter 3 Revieew

What is the formula for the sum of the interior angles of a polygon?

• S = (n-2)
• S = (n-2) 180
• S = 360 / n
• S = (n-2) 360

What is the sum of the Exterior angles of a Polygon?

• 360/n
• S = (n-2)360
• S = (n-2)180
• 360

What is the sum of interior angles of a 27-gon?

• 4500
• 360
• 180
• 1500

What is the measure of each interior angle of a regular octagon?

• 135
• 180
• 145
• 190

Tags

CCSS.7.G.B.5

Five angles of a hexagon measure 119°, 129°, 104°, 149°, and 95°.  What is the measure of the sixth angle?

• 89
• 105
• 720
• 124

The sum of the interior angles of a polygon is 1620°.  How many sides does the polygon have?

• 8
• 11
• 3
• 16

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

What is the measure of each exterior angle of a 20-gon?

• 14°
• 15°
• 17°
• 18°

If the exterior angle of a regular polygon measures 9°, now many sides does the polygon have?

• 40
• 20
• 10
• 15

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Solve of X

• 80
• 110
• 17
• 60

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.A.1

Find the value of X

• 112°
• 116°
• 90°
• 244°

Tags

CCSS.HSG.C.A.3