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

A triangle has sizes measuring 11 cm, 16 cm, and 16 cm. A similar triangle has sides measuring x cm, 24 cm, and 24 cm. What is x?

• x = 19 cm
• x = 24 cm
• x = 3 cm
• x = 16.5 cm

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TEKS.MATH.9-12.IV.C.3

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

TRUE or FALSE.
Rotation, translations, and dilations preserve congruence. 

• True
• False

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

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

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

The pair of figures is similar. Find the missing side.

• x = 20
• x = 12
• x = 5
• x = 4

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

How are the triangles congruent?

• SAS
• SSS
• HL
• ASA

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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

• no similar

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

What is Reason C?

• Definition of Congruence

• Definition of Equality

• Definition of Midpoint

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

2.) Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

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

State if the two triangles are congruent.  If they are, state how you know.

• A
• B
• C
• D

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

Which scale factors would increase an image?

• $\frac{3}{2}$

• $\frac{1}{2}$

• $3.5$

• $\frac{2}{1}$

• 5
  

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