Some of the 1 \times 1 squares in a 3 \times 3 grid are shaded, as shown. What is the perimeter of the shaded region?
Answer Choices
A. 10
B. 14
C. 8
D. 18
E. 20
Some of the 1 \times 1 squares in a 3 \times 3 grid are shaded, as shown. What is the perimeter of the shaded region?
Answer Choices
A. 10
B. 14
C. 8
D. 18
E. 20