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3-81.

Copy rectangle at right on graph paper.

  1. Rotate rectangle counterclockwise about the origin to create rectangle . Name the coordinates of .

  2. Reflect rectangle across the vertical line to create rectangle . Name the coordinates of .

  3. Translate rectangle so that is moved units down and units right. Name the coordinates of . How is this transformation related to the line ?

  4. What is the area of rectangle ?

Rectangle A,B,C,D in second quadrant with vertices as follows: Point A, (negative 5, comma 2). Point B, (negative 1, comma 2).  Point C, (negative 1, comma 5). Point D, (negative 5, comma 5).

Use the eTool below to solve each part.
Click the link at right for the full version of the eTool: Int1 3-81 HW eTool.