PSA2RMA - Classwork---Geometry, M1, Lesson 7 (G.CO.9)
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Part A)

Use the diagram below to determine x and y.  stack A B with left right arrow on top and stack C D with left right arrow on top are straight lines.

x = ________

 

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Part B)

y = ________

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Part C)

Name a pair of vertical angles.

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Part D)

Find the measure of ∠BOF. Do not include units in your answer.

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Part E)

Justify your calculation.

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Part A)

Given line  and line  in a plane, a third line intersects stack A B with left right arrow on top at a single point and intersects stack C D with left right arrow on top at a single but different point. Line  and line   are parallel. Name the corresponding angles that are equal in measure.

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Part B)

Name the alternate interior angles that are equal in measure.

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Part C)

Name the same-side interior angles that are supplementary.

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Part A)

What is the measure of ∠a? 

Do not include units (°) in your answer.

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Part B)

What is the measure of ∠b?

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Part C)

What is the measure of ∠c? 

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Part D)

What is the measure of ∠d?

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Part A)

An ____________________ is sometimes useful when solving for unknown angles.

 

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Part B)

In the figure below, we can use the auxiliary line to find the measures of ∠e and ∠f and then add the two measures together to find the measure of ∠W.

 

 

 = ________

 

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Part C)

  = ________

 

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Part D)

 = ________

 

Do not include units (°) in your answer.

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Part A)

 = ________ 

 

Do not include units (°) in your answer.

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Part B)

Give a reason for your solution.

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Part C)

 = ________

 

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Part D)

Give a reason for your solution.

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Part E)

 = ________

 

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Part F)

Give a reason for your solution.

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Part A)

  = ________

 

Do not include units (°) in your answer.

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Part B)

Give a reason for your solution.

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Part A)

  = ________

 

Do not include units (°) in your answer.

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part C)

 = ________

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Part D)

Give a reason for your solution.

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Part A)

  = ________

 

Do not include units (°) in your answer.

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part A)

  = ________

 

Do not include units (°) in your answer.

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part A)

 = ________

 

Do not include units (°) in your answer.

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part A)

  = ________

 

Do not include units (°) in your answer.

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part C)

 = ________

 

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Part D)

Give a reason for your solution.

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Part E)

 = ________

 

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Part F)

Give a reason for your solution.

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Part A)

 = ________

 

Do not include units (°) in your answer. 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part A)

 = ________

 

Do not include units (°) in your answer. 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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Part C)

 = ________

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part D)

Give a reason for your solution.

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Part A)

  = ________

 

Do not include units (°) in your answer.

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Give a reason for your solution.

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