6) The answer is (C)

By dividing the figure as illustrated, it can be seen that the shaded area is $\frac{3}{16}$ of the total.

$\frac{3}{16}=0.1875=18.75\%$.

![](https://cdn.mathpix.com/cropped/2024_04_17_df6134ed1e07189e6736g-1.jpg?height=480&width=483&top_left_y=1939&top_left_x=1369)
6) What is the percentage of the shaded square in the figure?
(A) $12.5 \%$
(B) $16.66 \%$
(C) $18.75 \%$
(D) $20 \%$
(E) $25 \%$.

![](https://cdn.mathpix.com/cropped/2024_04_17_8047f9ac13dbecc510bdg-1.jpg?height=193&width=190&top_left_y=269&top_left_x=2568)