Geometric Properties

Complementary angles...

• ...add up to 180°

• ...add up to 90°

• ...are equal to each other

• ...are opposite of each other when lines intersect.

Tags

CCSS.HSG.SRT.C.7

Supplementary angles...

• ...add up to 180°

• ...add up to 90°

• ...are equal to each other

• ...are opposite of each other when lines intersect

Find the value of x. 

• 17
• 28
• 68
• 39.5

Tags

CCSS.7.G.B.5

Find the value of x. 

• 14
• 112
• 108
• 104

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

If ∠C and ∠D are supplementary, and the measure of ∠D is 45°, what is the measure of ∠C?

• 135
• 45
• 125
• 90

Tags

CCSS.7.G.B.5

Vertical angles...

• ...are adjacent to each other

• ...add up to 180°

• ...are opposite of each other when lines intersect

• ...add up to 90°

Tags

CCSS.HSG.CO.C.9

Linear pair angles...

• ...are adjacent to each other

• ...add up to 180°

• ...are opposite of each other when lines intersect

• ...add up to 90°

Tags

CCSS.HSG.CO.C.9

Name a pair of angles that form a linear pair.

• Angles 1 and 2
• Angles 2 and 4
• Angles 5 and 8
• Angles 9 and 10

Tags

CCSS.7.G.B.5

Name a pair of angles that are vertical.

• Angles 4 and 5
• Angles 7 and 9
• Angles 8 and 9
• Angles 5 and 7

Tags

CCSS.7.G.B.5

 $\angle8$  and  $\angle6$   are __.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Consecutive Interior Angles

• Corresponding Angles

• Linear Pair Angles

Tags

CCSS.HSG.CO.C.9