Math Problem Statement

Determine a series of transformations that would map Figure B onto Figure C.

Solution

To map Figure B onto Figure C, we need to determine the transformations required, which can involve translations, rotations, reflections, and dilations. Let’s analyze the position and orientation of the two figures.

Observations:

  1. Figure B is in quadrant I, and Figure C is in quadrant IV, rotated and reflected compared to Figure B.
  2. The shapes appear identical in size, so no dilation (scaling) is needed.
  3. Figure B has been rotated and possibly reflected, followed by a translation.

Steps to map Figure B to Figure C:

  1. Rotation:

    • We can rotate Figure B by 180° around the origin to get a shape that has a similar orientation to Figure C. This moves Figure B to the fourth quadrant, making it upside down compared to its original position.
  2. Translation:

    • After rotating, the figure will be positioned near (-x, -y) coordinates relative to Figure B’s original position. To align it perfectly with Figure C, we need to translate the figure:
      • Translate the rotated image by a vector of approximately (Δx,Δy)=(3,7)(\Delta x, \Delta y) = (3, -7), which moves the figure to match Figure C.

Summary of Transformations:

  1. Rotate Figure B 180° around the origin.
  2. Translate the rotated figure by the vector (3,7)(3, -7) to map it onto Figure C.

Would you like more details on any of the transformations?


Related Questions:

  1. What happens if we apply a reflection instead of rotation to Figure B?
  2. How would the transformation change if Figure B were dilated?
  3. Can you describe a reflection that could map Figure B onto Figure C directly?
  4. How can we check if these transformations preserve the shape and size of the figure?
  5. What is the effect of rotating a figure 90° instead of 180°?

Tip: When working with transformations, always perform rotations and reflections first, followed by translations to avoid unnecessary complexity.

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Math Problem Analysis

Mathematical Concepts

Geometric Transformations
Rotation
Translation

Formulas

Rotation by 180° around the origin
Translation formula (x', y') = (x + dx, y + dy)

Theorems

Transformation Theorems
Rotation Theorem

Suitable Grade Level

Grades 8-10