Answer:
[tex]x= 9.21[/tex]
Step-by-step explanation:
[tex]\text{Apply Pythagorean theorem,}\\\\~~~~~~~x^2 = 9^2 +2^2\\\\\implies x^2 = 81 +4\\\\\implies x^2 = 85\\\\\implies x = \sqrt{85}\\\\\implies x \approx 9.21~ \text{m}[/tex]
