Home > CCA > Chapter A > Lesson A.1.1 > Problem 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 |
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
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