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Answer each of the following questions. Illustrate your answers with a sketch.

  1. What do you think the intersection of two planes looks like?

  2. What do you think it means for two planes to be parallel?

  3. What do you think it means for a line and a plane to be parallel?

    They do not intersect.

    Use the eTool below to model each of the questions above.
    Click the link at right for the full version of the eTool: INT3 11-69 HW eTool