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A-9.

Consider the rectangle below.  

Generic rectangle

top edge left

top edge right blank

left edge top blank

interior top left

interior top right blank

left edge bottom

interior bottom left

interior bottom right blank

bottom edge left blank

bottom edge right

  1. Find the perimeter of the large outer rectangle shown above.

  • You can find the missing side length using the area and side length given for the upper left inner rectangle.

    Generic rectangle

    top edge left

    top edge right

    left edge top

    interior top left

    interior top right blank

    right edge top

    left edge bottom

    interior bottom left

    interior bottom right blank

    right edge bottom

    bottom edge left blank

    bottom edge right

    units

  1. Notice that the areas of two of the parts have been labeled inside the rectangle. Find the total area. Remember to show all work leading to your solution.

  • square units