Unit 1: Constructions and Transformations

Select all the figures with 180 degree rotation symmetry

• Right triangle

• Sguare

• Regular hexagon

• Isosceles triangle

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CCSS.HSG.CO.A.3

CCSS.HSG.CO.A.4

Select the figure with 180 degree rotation symmetry

• Rectangle

• Scalene triangle

• Kite

• Octagon

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CCSS.HSG.CO.A.3

CCSS.HSG.CO.A.4

The original object is called

• Pre-image

• Image

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CCSS.HSG.CO.A.2

Each point of the original figure and its image are __________ distance away from the line of reflection.

• different

• the same

• congruent

• equal

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

CCSS.HSG.CO.B.6

Find the way we could describe the rigid transformation

• Reflect across the line segment BC

• Rotate around point 𝐵 as the center 𝑑 degrees; then, reflect across line 𝐿𝐵𝐶.

• Reflect across the line segment BC then rotate around B as the center d degrees

• Rotate 180 degree clockwise around B

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

CCSS.HSG.CO.A.5

CCSS.HSG.CO.B.6

What type of lines the image represents?

• Parallel

• Intersecting

• Perpendicular

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CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

Regular hexagon ABCDEF is inscribed in a circle with center H. What is the image of segment AB after a 120-degree clockwise rotation about point H?

• Segment DE

• Segment BC

• Segment FE

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

CCSS.HSG.CO.A.5

CCSS.HSG.CO.B.6

Regular hexagon ABCDEF is inscribed in a circle with center H. What is the image of segment AB after a reflection over line BE?

• Segment EF

• Segment BC

• Segment DE

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CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.3

CCSS.HSG.CO.A.5

CCSS.HSG.CO.B.6

Lines x and y are parallel. Write the equation that represents the relationship between g and d.

• g is congruent to d

• g + d = 180

• g + d = 90

• g + d

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CCSS.HSA.CED.A.2

Find the relationships between lines k, l and r

• k and r are perpendicular

• k and l are parallel

• l and r are perpendicular

• r and k are parallel

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CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5