Answer:
B. 12
Step-by-step explanation:
The square root of 144 is 12.
You can easily verify it by multiplying 12 by itself... using distributive function, we can reformulate 12 square as (10 + 2) * 12... so 120 + 24 = 144.
Voilà! The proof that the square root of 144 is 12.
Here are other low squares easy to remember:
7²=49, 8²=64, 9²=81, 10²=100, 11²=121, 12²=144, 13²=169.
