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3-81.

Copy rectangle at right on graph paper. 3-81 HW eTool (Desmos) Homework Help ✎

  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 ?

graph

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