Square Root of 144

This page is the CodyCross answer for the clue below from Casino, Group 268, Puzzle 2 (Closed Circuit Television).

Question is: Square Root of 144

and the answer is: TWELVE

Word Meaning:

TWELVE — The cardinal number occurring after eleven and before thirteen, represented in Arabic numerals as 12 and in Roman numerals as XII.

Definitions from Wiktionary.