Multiple choice general knowledge math & puzzles Square root of 3 is a famous one we use readily in calculations. It is 2.546 1.414 1.732 1.221 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The square root of 3 is approximately 1.73205. 1.414 is the square root of 2, and the other values provided (2.546, 1.221) are mathematically unrelated to the square root of 3.