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IM Geo.2.1 Practice: Congruent Parts, Part 1

Author:GeoGebra Classroom Activities, IM Algebra 1, Geometry, Algebra 2

When rectangle ABCD is reflected across line EF, the image is DCBA.

How do you know that segment  is congruent to segment ?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Triangle FGH is the image of isosceles triangle FEH after a reflection across line HF.

Select all the statements that are a result of corresponding parts of congruent triangles being congruent.

Select all that apply
  • A
  • B
  • C
  • D
  • E
Check my answer (3)

Reflect right triangle ABC across line BC.

Classify triangle  according to its side lengths. Explain how you know.

Triangles FAD and DCE are translations of triangle ABC

Select all the statements that must be true.

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
Check my answer (3)

Triangle ABC is congruent to triangles BAD and CEA.

Explain why points  and  are collinear.

Explain why line  is parallel to line .

Identify a figure that is the result of a rigid transformation of quadrilateral .

Describe a rigid transformation that would take  to that figure.

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