PSA9B2B - Student-Facing Tasks---7.1 Lesson 2: Corresponding Parts and Scale Factors: Student Facing Tasks (7.G.A.1)
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Part A)

Find the product mentally.

 

 

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

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

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

Here is a figure and two copies, each with some points labeled.

 

 

Complete this table to show corresponding parts in the three figures.

 

 

Create and fill in the table using the table button

 

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Type your answer below:
Part B)

Is either copy a scaled copy of the original figure?

Select one:
Part C)

Explain your reasoning.

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Part D)

Use tracing paper to compare angle KLM with its corresponding angles in Copy 1 and Copy 2. What do you notice?

Type your answer below:
Part E)

Use tracing paper to compare angle NOP with its corresponding angles in Copy 1 and Copy 2. What do you notice?

Type your answer below:
Part A)

Here is Triangle O, followed by a number of other triangles.

 

 

Which triangles are scaled copy of Triangle O?

 

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Select all that apply:
Part B)

List all the triangles that are scaled copies in the table. Record the side lengths that correspond to the side lengths of Triangle O listed in each column.

 

 

Create and fill in the table using the table button

Type your answer below:
Part C)

Explain or show how each copy has been scaled from the original (Triangle O).

Type your answer below:
Part A)

Polygon PQRS is a scaled copy of polygon ABCD.

 

 

Name the angle in the scaled copy that corresponds to angle ABC.

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Select one:
Part B)

Name the segment in the scaled copy that corresponds to segment AD.

Select one:
Part C)

What is the scale factor from polygon ABCD to polygon PQRS?

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