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Home > MC2 > Chapter 2 > Lesson 2.2.3 > Problem 2-68


On grid paper, set up - and -axes for a four quadrant graph. Then draw a triangle with vertices at and . Label this triangle T. .

  1. Translate (slide) the triangle left units and down units. Label this triangle A and list the vertices.

  2. Reflect triangle T across the -axis. Label this triangle B and list the vertices.

  3. Are triangles T, A, and B congruent (that is, do they have the same shape and size)? Explain.

    When you translated or reflected the original triangle, did the size or shape of the original triangle change?

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