Rigid Transformations, Angles, and Congruence

Determine how to translate triangle ABC to triangle A'B'C'.

• 2 units to the right, 5 units down

• 2 units to the right, 9 units down

• 2 units to the left, 9 units up

• 2 units to the left, 5 units down

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A type of transformation where a figure is “flipped” over a line of symmetry. A reflection produces a mirror image of a figure.

• rotation
• translation
• dilation
• reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A transformation that “turns” a figure about a point at a given angle and a given direction.

• rotation

• translation

• reflection

• dilation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Describe the transformation in the image.

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Figures that are same size, same shape and same angles are...

• Congruent

• Image

• Angles

• Vertices

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

What is the Value of angle A?

• ∠A=82°

• ∠A=98°

• ∠A=180°

• ∠A=8°

Tags

CCSS.8.G.A.5

What is the value of angle D?

• ∠D=116°

• ∠D=64°

• ∠D=180°

• ∠D=26°

Tags

CCSS.8.G.A.5

What is the value of angle M?

• ∠M=47°

• ∠M=133°

• ∠M=180°

• ∠M=33°

Tags

CCSS.8.G.A.5