A scale drawing of Coriane's bedroom floor is shown
below. All given dimensions are in feet, and all
intersecting line segments shown are perpendicular.
Corinne wants to completely cover the floor with
square hardwood tiles. Each tile has a side length of
I foot, and no tiles will be cut. How many tiles will
Corinne need to cover the floor?
6
9
A. 63
B. 69
C. 74
D. 79
E. 84
5