Scale Factor and Scale Copy

What is the scale factor from the large triangle to the small triangle?

• 1/2

• 2/3

• 3/4

• 2

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Scale Factor

What is the measurement of x?

• 20 m

• 24 m

• 16 m

• 4 m

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Scale Factor

Which side length on the scaled copy corresponds to the side length HJ on the original image?

• AB

• BC

• AC

• BA

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Corresponding parts

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

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Scale Factor

What is the scale factor from the larger quadrilateral to the smaller?

• scale factor = 4

• scale factor = 1/2

• scale factor = 3/2

• scale factor = 1/4

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Scale Factor

Find the triangle similar to △ABC

• 
• 
• 
• 

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Scale Copy

If ΔDEF is a scale copy of ΔRST, then we can conclude that ST = what?

(hint, draw/ construct both triangles)

• ST

• RT

• EF

• RF

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Corresponding parts

_________ ________ is the number you multiply by the sides to create a scaled copy.

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

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CCSS.7.G.A.1

Which of the following is a scaled copy of figure A?

• B

• C

• D

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CCSS.8.G.A.3

A scaled copy is a copy of a figure where every length in the original figure is _______________ by the same number.

• multiplied

• added

• divivided

• subtracted

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CCSS.7.G.A.1