Grade 8 Lesson 6.2

Open Ended

Would you rather run a number of laps around the school gym that are equal to the degree of the obtuse angle or the acute angle shown here? Explain your answer.

Multiple Choice

Angle 1 = 27^o
Find the measure of angle 4

• 27^o
• 153^o
• 63^o
• 90^o

Multiple Choice

Which of these angles is NOT congruent to angle 5?

• Angle 6
• Angle 8
• Angle 1
• Angle 4

Multiple Choice

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
• Corresponding
• Vertical Angles

Multiple Choice

What are complementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

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

Multiple Choice

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

​Paraphrase: use simpler words to explain this to Addie's brother? Write it down on page 121.

​What exactly are you trying to prove? How do you need to prove it?
Underline this!

​Take 2 minutes on your own to show one way to solve this problem using transformations.

​Both of you must share - take 1 minute each to discuss the transformations that you used.

Multiple Choice

• Transversals

• Perpendicular

• Skew

• Parallel

Multiple Choice

• Perpendicular

• Parallel

• Skew

• Linear

Multiple Choice

• Complementary. They are also adjacent.

• Corresponding. They are also congruent.

• Supplementary. They are also adjacent.

• Adjacent. They are also complementary.

Multiple Choice

• Corresponding. They are also congruent.

• Vertical. They are also congruent.

• Supplementary. They are also corresponding.

• Right angles. They are also equivalent.

Multiple Choice

Adjacent angles are congruent.

• Always

• Sometimes

• Never

Multiple Choice

Vertical angles are congruent.

• Always

• Sometimes

• Never

​Page 123

Multiple Choice

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

Multiple Choice

Find x if the angles are complementary.

• 15
• 75
• 25
• 90

Multiple Choice

Find what the value of x.

• 15
• 30
• 45
• 60

Multiple Choice

Vertical angles have the same ____

• hypotenuse

• smell

• angle measure

• learning target

Multiple Choice

Vertical angles are on opposite sides of an ____

• vertex

• complementary

• angle measure

• adjacent

Multiple Choice

Adjacent angles share a side and a ____

• vertex

• ray

• geometry

• variable

Multiple Choice

What is the measure of angle A?

• 30^o

• 80^o

• 75^o

• 60^o

Multiple Choice

Corresponding Angles ...

• are Congruent (Equal)

• add up to 180 degrees

• add up to 90 degrees

Multiple Choice

What angle corresponds to  $$\angle3$$  ?

• $$\angle4$$  

• $$\angle5$$  

• $$\angle8$$  

• $$\angle7$$  

Multiple Choice

What angle corresponds to  $$\angle6$$  ?

• $$\angle4$$  

• $$\angle5$$  

• $$\angle8$$  

• $$\angle7$$  

Multiple Choice

What angle corresponds to $$\angle1$$ ?

• $$\angle4$$

• $$\angle5$$

• $$\angle3$$

• $$\angle2$$

Multiple Choice

What angle corresponds to $$\angle5$$ ?

• $$\angle7$$

• $$\angle5$$

• $$\angle3$$

• $$\angle2$$