### Home > INT2 > Chapter 1 > Lesson 1.2.3 > Problem1-51

1-51.

For each rectangle below, what is the area of each part and what is the area of the whole?

1.  generic rectangle top left edge $11$ top edge right $+8$ left edge top $7$ interior top left is blank interior top right is blank left edge bottom $+3$ interior bottom left is blank interior bottom right is blank

First, find the area of each individual box.

 generic rectangle top left edge $11$ top edge right $8$ left edge top $7$ interior top left$\color{blue}{77}$ interior top right $\color{blue}{56}$ left edge bottom $3$ interior bottom left $\color{blue}{33}$ interior bottom right  $\color{blue}{24}$

Add all of the areas together to get the entire area of the rectangle.

$190$ square units

1.  generic rectangle top left edge $3x$ top edge right $-4$ left edge top $11x$ interior top left is blank interior top right is blank left edge bottom $-2$ interior bottom left is blank interior bottom right is blank

Follow the hints in part (a).