3.9 is the estimated square root of 15 to one decimal place
Answer: Who doesn't?
Step-by-step explanation:
The answer is 4.8. You have to subtract 98.6 from 103.4.
Using the Pythagorean theorem:
12^2 + x^2 = 15^2
144 + x^2 = 225
x^2 = 225 - 144
x^2 = 81
x = sqrt(81)
x = 9
