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1-88.

Determine the total area of each rectangle below. Each number inside the rectangle represents the area of that smaller rectangle, while each number along the side represents the length of that portion of the side.

  1. Generic rectangle, labeled as follows: left side top, blank, left side bottom, 11, bottom side left, 4, bottom side right, blank, interior: top left 12, top right, 39, bottom left & bottom right, both blank.

    Added to generic rectangle: left side top, 3, bottom side right, 13.

    Find the sides that you know from the products within the boxes.



  1. Generic rectangle, labeled as follows: left side top, blank, left side bottom, blank, bottom side left, 8, bottom side right, 6, interior: top left, blank, top right, 18, bottom left, 40 & bottom right, blank.

    Use the same strategy for part (b).