CCSS.Math.Content.HSG.CO.C.9

What is the value of x?

• 60
• 26
• 14
• 10

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CCSS.Math.Content.HSG.CO.C.9

Two angles whose measures have the sum 90°

• Complementary angles
• Right angle
• Supplementary angles
• Adjacent angles

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CCSS.Math.Content.HSG.CO.C.9

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
• Corresponding
• Vertical Angles

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CCSS.Math.Content.HSG.CO.C.9

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
• Corresponding
• Vertical Angles

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CCSS.Math.Content.HSG.CO.C.9

Two angles whose measures have a sum of 180.

• Straight Angle
• Linear Pairs
• Supplementary
• Adjacent Angles

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CCSS.Math.Content.HSG.CO.C.9

What is the "reason" for step 5 of the proof?

• Vertical Angle Theorem
• proof
• def. of angle bisector
• CPCTC 

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CCSS.Math.Content.HSG.CO.C.9

Find C 

• ∠C=116°
• ∠C=64°
• ∠C=180°
• ∠C=26°

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CCSS.Math.Content.HSG.CO.C.9

Solve for x.

• A

• B

• C

• D

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CCSS.Math.Content.HSG.CO.C.9

What is Reason B?

• Definition of Congruence

• Definition of Vertical Angles

• Reflexive Property

• Vertical Angle Theorem

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CCSS.Math.Content.HSG.CO.C.9

If the  $m\angle1\ =\ 57\degree,$  find the measure of  $\angle6.$  

•  $123\degree$  

•  $57\degree$  

•  $180\degree$  

• Cannot be determined

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CCSS.Math.Content.HSG.CO.C.9