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Unit 1a Transformations Mastery Assessment

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

Tick all that apply
  • A
  • B
  • C
  • D

2. ABCD is a rectangle. Trapezoid AEFB is congruent to trapezoid CFED. G is the midpoint of segment EF.             Select all the ways we could describe the rigid transformation that takes AEFB  to CFED.

Tick all that apply
  • A
  • B
  • C
  • D
  • E

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

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

4. Describe a sequence of transformations that take isosceles trapezoid T to its image T'.

5. Translate ABCDEFGH by the directed line segment IJ.

6. Reflect CDEFG about line AB

7. Rotate BCDE 90 degrees clockwise around point A