13.4164079
About 8.66025438 or 75 square rooted
√7 x √15 = 10.2469508
√5 x √15 = 8.66025404
47.4341649
5 times the square root of 15
15 times the square root of two, all over two A formula is this: The diagonal for a square is always the sides of the square times the square root of 2
Two times the square root of 15 is the square root of 60. This is not a perfect square so we can only approximate it. It is about 7.75. Numbers such as 2 times the square root of 15 are known as irrational numbers since they cannot be written as a ratio or fraction.
Look for square numbers that are factors of 540, like 36. The square root of 540 = 6 times the square root of 15.
√10 x √6 = 2√15 = 7.745966692
It is: 3 times the square root of 15 or about 11.619 rounded to 3 decimal places
It is: 15 and its proper value is 6 times square root of 6