Try It

Congruence and Triangles Practice

Answer the following questions

  1. Does the image and preimage have isometry?
    This is an image of two congruent five-sided figures. The figure to the left is pointing northeast and labeled image. The figure to right is pointing east and labeled preimage.
    1. Yes
    2. No

    Answer: a. Yes

  2. Does the image and preimage have isometry?
    This is an image of two non-congruent triangles; The triangle to the left is larger than the figure to the right and labeled preimage. The figure to the right is smaller than the figure to the left and labeled image.
    1. Yes
    2. No

    Answer: b. no

  3. Does the image and preimage have isometry?
    The is an image of two five-sided polygons. The polygon to the left is larger that the polygon to the right.
    1. Yes
    2. No

    Answer: b. no

  4. Does the image and preimage have isometry?
    This is an image of two congruent right triangles. The traingle to the right has its right angle on the left side. The triangle to the left has its right angle on the right.
    1. Yes
    2. No

    Answer: a. yes

  5. A move of an object or figure is called a ____________.
    1. Transformation
    2. Preimage
    3. Image
    4. Isometry

    Answer: a. Transformation

  6. The original figure before he move is called a ____________.
    1. Transformation
    2. Preimage
    3. Image
    4. Isometry

    Answer: b. Preimage

  7. The new figure after the move is called a ____________.
    1. Transformation
    2. Preimage
    3. Image
    4. Isometry

    Answer: c. image

  8. A figure is said to have _______ if the figure is the same size after the transformation.
    1. Transformation
    2. Preimage
    3. Image
    4. Isometry

    Answer: d. Isometry

  9. A flip on an object is called ____.
    1. Reflection
    2. Rotation
    3. Translation
    4. Dilation

    Answer: a. Reflection

  10. A turn of an object on a point is called ____.
    1. Reflection
    2. Rotation
    3. Translation
    4. Dilation

    Answer: b. Rotation

  11. A slide of an object is called ____.
    1. Reflection
    2. Rotation
    3. Translation
    4. Dilation

    Answer: c. Translation

  12. When a figure gets larger or smaller it is called _____.
    1. Reflection
    2. Rotation
    3. Translation
    4. Dilation

    Answer: d. Dilation

If you missed more than one or two, review the questions again.