Topic 7: Understand Congruence and Similarity

Figures have the same shape and size

• Congruent

• Similar

• Dilation

• Reflection

Tags

CCSS.8.G.A.2

Multiplies distances from the center by a common scale factor

• Dilation

• Reflection

• Translation

• Rotation

Tags

CCSS.8.G.A.3

Moves every point of a figure the same distance and the same direction

• Translation

• Reflection

• Dilation

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Flips a figure over the line of reflection

• Reflection

• Translation

• Rotation

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Figures have the same shape, and the same side lengths are proportional

• Similar

• Congruent

• Reflection

• Translation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• W' (-4,2), X' (-1,2), Y' (-1,4), Z' (-4,4)

• W' (4,2), X' (1,2), Y' (1,4), Z' (4,4)

• W' (4,2), X' (-1,2), Y' (-1,4), Z' (4,4)

• W' (-4,2), X' (1,2), Y' (1,4), Z' (-4,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of the image of WXYZ after a reflection across the y-axis?

• W' (4,-2), X' (1,-2), Y' (1,-4), Z' (4,-4)

• W' (4,2), X' (1,2), Y' (1,-4), Z' (4,-4)

• W' (4,-2), X' (1,-2), Y' (1,4), Z' (4,4)

• W' (-4,-2), X' (1,-2), Y' (1,-4), Z' (-4,-4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of the image of quadrilateral STUV after a 180-degree rotation about the origin?

• S' (4,2), T' (2,2), U' (2,4), V' (4,4)

• S' (-4,2), T' (-2,2), U' (-2,4), V' (-4,4)

• S' (4,-2), T' (2,-2), U' (2,-4), V' (4,-4)

• S' (-4,-2), T' (-2,-2), U' (-2,-4), V' (-4,-4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of the image of a quadrilateral STUV after a 270-degree rotation about the orientation?

• S' (-2, 4), T' (-2, 2), U' (-4, 2), V' (-4, 4)

• S' (2, 4), T' (2, 2), U' (4, 2), V' (4, 4)

• S' (-2, -4), T' (-2, -2), U' (-4, -2), V' (-4, -4)

• S' (2, -4), T' (2, -2), U' (4, -2), V' (4, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• A' (-12,3), B' (0,3), C' (3,-3), D' (-9,-3)

• A' (12,3), B' (0,3), C' (3,3), D' (9,3)

• A' (12,-3), B' (0,-3), C' (3,-3), D' (9,-3)

• A' (-12,-3), B' (0,-3), C' (-3,-3), D' (-9,-3)

Tags

CCSS.HSG.CO.A.2