Geometry Unit 3 Quiz

If the sum of the interior angles of a polygon equals 900°, how many sides does the polygon have? 

• 7
• 9
• 10
• 12

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is the value of x?

• 26.25
• 38.75
• 24
• 25.125

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Find the sum of the interior of angles in a 12-gon

• 1800
• 1080
• 1620
• 1260

Find the measure of one exterior angle in the regular polygon. Round your answer to the nearest tenth if necessary.

• 90⁰

• 45⁰

• 60⁰

• 51.4⁰

Tags

CCSS.7.G.B.5

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

Tags

CCSS.8.EE.B.6

y = 5/7x +2
y = 5/7x - 30
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

What is the slope of a line perpendicular to a line with slope ^-6/₅ ?

• ^-6/₅
• ^-5/6
• ⁵/₆
• ^-4/₃

Tags

CCSS.8.EE.B.6

Are the lines shown parallel. perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1