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

If ΔDEF ≅ ΔRST, then we can conclude that ∠R ≅ ____.

• ∠F
• ∠E
• ∠D
• DF

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

Are these triangles congruent?

• Yes, by SSS
• Yes, by SAS
• Yes, by AAS
• No, this is the SSA one!!

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

Are the triangles similar?

• Yes
• No

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

A square with an area of 16 square inches has been dilated to a square with an area of 64 square inches. What is the scale factor of the dilation?

• k = 1/2

• k = 1/4

• k = 2

• k = 4

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

Are the two triangles congruent? If they are, select the correct congruence postulate. If there is not enough information, select N/A.

• SAS

• HL

• N/A

• SSS

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

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• Not similar

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

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SSS

• AA

• SAS

• not similar

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

Which of the following is not a valid reason to prove congruent triangles?

• SSA
• ASA
• SAS
• SSS

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

What is Reason E?

• Vertical Angle Theorem

• CPCTC

• Definition of Congruence

• Definition of Vertical Angles

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

Are the triangles congruent?

• Yes, by AA≅

• Yes, by AAS≅

• Yes, by ASA≅

• Yes, by SAS≅

• Not enough information

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