Geometry - Unit 1 Review

What’s something I can do to help you be successful in this class going forward?

Select all the figures with a 180 degree rotation symmetry.

• Square

• Equilateral Triangle

• Regular Octagon

• Isosceles Trapezoid

• Circle

Tags

CCSS.HSG.CO.A.4

Select all the figures with a 90 degree rotation symmetry.

• Square

• Equilateral Triangle

• Regular Octagon

• Isosceles Trapezoid

• Circle

Tags

CCSS.HSG.CO.A.4

Select all the shapes with a 180 degree rotation.

• Rectangle

• Right Triangle

• Regular Hexagon

• Regular Pentagon

• Isosceles Triangle

Tags

CCSS.HSG.CO.A.4

Select the construction that guarantees A' is a reflection of point A across line BC.

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• 
• 
• 

Tags

CCSS.HSG.CO.B.6

Regular octagon ABCDEFGH is inscribed in a circle with centered I. What is the image of segment DE after a 90-degree clockwise rotation about point I?

• AB

• FG

• EF

• CB

• AH

Tags

CCSS.HSG.CO.A.3

Regular octagon ABCDEFGH is inscribed in a circle with centered I. What is the image of segment DE after a reflection across AE?

• AB

• EF

• FG

• CD

• AH

Tags

CCSS.8.G.A.3

Select ALL the sequence of transformations that take kite ABCD to its image kite AEFG. Note: CA=DA and DB=BC.

• Translate kite ABCD by directed line segment AF, then rotate the image 90-degrees clockwise around F.

• Rotate kite ABCD 111-degree clockwise around A. Then reflect it across AE.

• Reflect kite ABCD over point A.

• Rotate kite ABCE 100-degree counterclockwise around A, then reflect it across AF.

Tags

CCSS.8.G.A.3

ABCD is a square. Trapezoid BCFE is congruent to trapezoid ADFE. G is the midpoint segment of EF.

Select ALL the ways we could describe the rigid transformation that takes AEFB to CFED.

• Reflect BCFE across line EF.

• Rotate BCFE 180-degrees counterclockwise around point G.

• Rotate BCFE 180-degrees clockwise around point G.

• Translate BCFE by the directed line segment from F to E, and then reflected across line FE.

• Translate BCFE by the directed line segment from F to E, and then rotate 180-degrees clockwise around point E.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write an equation that represents the relationship between angles 3 and 5?