Party Trick - Square Root Of Any Number

Charlottesville

March 10, 2023

What's the square root of 87?

The closest perfect square is of 81 and is 9.

Take the difference of 87 and 81 = 6.

Divide that difference by 2x the closedt perfect square from above = 6/(2*9) =6/18 = 1/3 =0.33

The square root of 87? 9+0.33 =9.33