Transformations and Congruence

Rotation or Reflection

• Rotation

• Reflection

• translation

If you were to reflect ABCD across the y-axis, what would the coordinate of A' be?

• (3, -5)

• (-3, 5)

• (-5, 3)

• (-5, 5)

∆ABC ≅ ∆LMN. Which statement is NOT true?

• LM ≅ AB

• ∆CAB ≅ ∆NLM

• ∠C ≅ ∠N

• BC ≅ ML

These two triangles are congruent. If ∠C is 40^o find the measure of ∠F.

• 40^o

• 50^o

• 90^o

• 45^o

What will be the new position of the given point after a reflection across the y-axis?

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Which type of transformation does not change the shape's orientation?

• translation

• reflection

• rotation

• none, they all change the shape's orientation

Which of the following images shows a rotation of 180^o?

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What does it mean if two figures are congruent?

• The figures are the same shape, but different size

• The figures are different size and shape

• The figures are the same size and shape

• The figures are the same size, but different shape

Are the figures congruent?

(What type of transformation is shown?)

• Congruent (rotation)

• Congruent (reflection)

• NOT Congruent (rotation)

• NOT Congruent (reflection)