Question

Find the value of x. Write your answer as a simplified radical if necessary.

Answer 1

The answer is 3

This triangle is equal to the legs and also angular and by using Pythagoras then

`{x}^(2) + {x}^(2) = {(3 √(2)) }^(2) \\ 2 {x}^(2) = 18 \\ then \: x = 3`