Question

Someone please help me with this

Answer 1

`x= 9.21`

Explanation:

`\text{Apply Pythagorean theorem,}\\\\~~~~~~~x^2 = 9^2 +2^2\\\\\implies x^2 = 81 +4\\\\\implies x^2 = 85\\\\\implies x = √(85)\\\\\implies x \approx 9.21~ \text{m}`