Find the perimeter of a triangle with sides 11 inches, 4 inches, and 12 inches in length.

A: 27 inches
B: 16 inches
C: 15 inches
D: 25 inches

To find the perimeter of a triangle, you simply add up the lengths of all three sides. In this case, the perimeter would be 11 inches + 4 inches + 12 inches = 27 inches. Therefore, the correct answer is A: 27 inches.