Exploring Congruence and Transformations in Geometry

The video tutorial covers the concept of congruence in transformations, explaining how figures can be congruent through rotations, reflections, and translations. It provides examples of determining congruence between triangles and other figures, highlighting cases where figures are not congruent. The tutorial also demonstrates specific transformation techniques and applies them to practical examples, such as logos and stationery designs.

What is required for two figures to be congruent?

• They must be similar.

• They must be the same color.

• They must be the same size and shape.

• They must be in the same position.

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CCSS.8.G.A.2

Which transformation involves flipping a figure over a line?

• Dilation

• Reflection

• Translation

• Rotation

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CCSS.HSG.CO.A.5

CCSS.8.G.A.3

How can you determine if triangle ABC is congruent to triangle ZXY?

• By comparing their areas.

• By using a series of transformations.

• By measuring their angles.

• By checking their colors.

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CCSS.8.G.A.2

What transformation was used to map triangle ABC to triangle ZXY in the example?

• Translation followed by rotation

• Rotation followed by translation

• Reflection followed by translation

• Reflection followed by rotation

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Why were the two figures in the second example not congruent?

• They had different angles.

• No transformations could match them exactly.

• They were different sizes.

• They were different colors.

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What happens to the orientation of a figure after a reflection?

• It is scaled.

• It is rotated.

• It is reversed.

• It remains the same.

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation involves sliding a figure without rotating or flipping it?

• Rotation

• Dilation

• Translation

• Reflection

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What transformation did Miss Martinez use to create the logo if the letter D is the preimage?

• Reflection followed by rotation

• Translation followed by rotation

• Reflection followed by translation

• Rotation followed by translation

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CCSS.HSG.CO.A.5

CCSS.8.G.A.3

How was figure W transformed to match figure M in the logo example?

• Translated up and rotated 180 degrees

• Reflected over a horizontal line and translated left and down

• Reflected over a vertical line and translated right and up

• Rotated 90 degrees and translated left and down

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What series of transformations maps triangle MNO to triangle RST?

• Reflection followed by rotation

• Translation followed by rotation

• Reflection followed by translation

• Rotation followed by translation

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5