Question

Find the value of x.

Answer 1

x= square root of 205

Answer 2

`√(205)`

Explanation:

Using the pythagorean theorem,
`x^(2) +18^(2) =23^(2) \\` so that means
`x^(2) = 23^(2) -18^(2) =205` so x =
`√(205)`