Apply ve Learned
PRACTICES
MP 4
Look back at the information given on page 279 about the diorama Eliana plans
to make for an art contest. The diagrams of the sheet of cardboard and the
finished box are shown again below.
8 in.
xin.
Txin
.
12 in.
a. In the diagram, x represents the side length of the squares Eliana will cut from each
corner. Which dimension of the diorama box does x represent: the length or the
width of the back of the box, or the depth of the box from front to back?
b. Write expressions for the length and width of the back of the diorama box. Use your