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12-18.

Multiply the expressions below using generic rectangles.

  1. Make your generic rectangle and label the dimensions.

    Generic rectangle 
    left edge top

    interior top left blank

    interior top right blank

    left edge bottom

    interior bottom left blank

    interior bottom right blank

    bottom edge left

    bottom edge right

    Find the area of each of the sections, then add the areas together to get your answer.

    Generic rectangle 
    left edge top

    interior top left

    interior top right

    left edge bottom

    interior bottom left

    interior bottom right

    bottom edge left

    bottom edge right

  1. See the help for part (a).

  1. See the help for part (a).

  1. See the help for part (a).