Answer:
n = 3.9
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
n² = 1.5² + 3.6² = 2.25 + 12.96 = 15.21 ( take the square root of both sides )
n = [tex]\sqrt{15.21}[/tex] = 3.9
