What fraction of the area of rectangle ABCD is the area of the shaded square?

**Answer Choices**

A. \frac{1}{15}

B. \frac{1}{8}

C. \frac{1}{10}

D. \frac{1}{4}

E. \frac{1}{12}

What fraction of the area of rectangle ABCD is the area of the shaded square?

**Answer Choices**

A. \frac{1}{15}

B. \frac{1}{8}

C. \frac{1}{10}

D. \frac{1}{4}

E. \frac{1}{12}