AMC8 1997 Problem 10

Past Contests AMC8 AMC 8 - 1997
1

What fraction of this square region is shaded? Stripes are equal in width, and the figure is drawn to scale.
Image
Answer Choices
A. \dfrac{5}{12}
B. \dfrac{1}{2}
C. \dfrac{7}{12}
D. \dfrac{2}{3}
E. \dfrac{5}{6}