Proving and using geometric properties

Complete with <, >, or =.

• <
• >
• =

Tags

CCSS.HSG.CO.C.9

What is #3 Reason?

• Alternate Exterior Angles

• Alternate Interior Angles

• Vertical Angles

• Angle Bisector

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CCSS.HSG.CO.C.9

In this proof, what definition did we accept as true - note that both of these definitions are true, which one did the video use

• that the midpoint of a line cuts the line into equal line segments

• that the angle bisector cuts and angle into two equal angles

Tags

CCSS.HSG.CO.C.9

Find the missing length.

• 25

• 15

• 6

• 16

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CCSS.HSG.CO.C.9

What is the justification?

• Definition of an Angle Bisector

• Complementary Angles Theorem

• Definition of a Right Angle

• Angle Addition Postulate

Tags

CCSS.HSG.CO.C.9

• 30

• 60

• 120

• 180

Tags

CCSS.HSG.CO.C.9

Complete with <, >, or =.

• <
• >
• =

Tags

CCSS.HSG.CO.C.9

Which proportion can be used to find side 'x'?

• 
• 
• 
• 

Tags

CCSS.HSG.CO.C.9

Solve for x.

• 10

• 9

• 6

• 5

Tags

CCSS.HSG.CO.C.9

Find the value of z.

• 6

• 12√5

• 12

• 5

Tags

CCSS.HSG.CO.C.9