TEKS.MATH.9-12.III.B.3

sf = 6/5

• Reduction
• Enlargement

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TEKS.MATH.9-12.III.B.3

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

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TEKS.MATH.9-12.III.B.3

Name the postulate, if possible, that makes the triangles congruent.

• SAS
• ASA
• AAS
• Not Possible

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TEKS.MATH.9-12.III.B.3

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

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TEKS.MATH.9-12.III.B.3

Which triangle congruence postulate is shown?

• SAS
• ASA
• SSS
• SSA

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TEKS.MATH.9-12.III.B.3

How are the triangles congruent?

• HL
• SSS
• SAS
• AAS

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TEKS.MATH.9-12.III.B.3

Can we prove these triangles congruent?

• SSS
• AAA
• HL
• not congruent

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TEKS.MATH.9-12.III.B.3

A triangle is dilated by a scale factor of ⅓ to produce a new triangle. Which of the following best describes the relationship between the perimeter of the original triangle compared to the perimeter of the new triangle?

• The perimeter of the new triangle is ⅓ that of the original triangle
• The perimeter of the new triangle is 3 times that of the original triangle.
• The perimeter of the new triangle is 1/9 that of the original triangle.
• The perimeter of the new triangle is 9 times that of the original triangle

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TEKS.MATH.9-12.III.B.3

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

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TEKS.MATH.9-12.III.B.3

∆EHG≅∆KFC
Which is a true statement?

• EH≅FK
• HG≅KF
• EG≅KC
• ∠E≅∠C

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TEKS.MATH.9-12.III.B.3