A designer created a pattern by drawing quarter circles with a radius of 2 units on unit squares as shown in the figure. What is the perimeter length of this pattern in units? A) $18 \pi$ B) $20 \pi$ C) $24 \pi$ D) $25 \pi$ E) $27 \pi$
A designer created a pattern by drawing quarter circles with a radius of 2 units on unit squares as shown in the figure.
What is the perimeter length of this pattern in units?\\
A) $18 \pi$\\
B) $20 \pi$\\
C) $24 \pi$\\
D) $25 \pi$\\
E) $27 \pi$