Question

Find the missing sides
Use the image below

Answer 1

`x =3 \\ \\ y = (3 √(2) )/(2)`

Explanation:

`\tan(45) = (y)/( (3 √(2) )/(2) ) \\ \\ 1 = (y)/( (3 √(2) )/(2) ) \\ \\ y = (3 √(2) )/(2)`

`\cos(45) = ( (3 √(2) )/(2) )/(x) \\ \\ (1)/( √(2) ) = ( (3 √(2) )/(2) )/(x) \\ \\ \\ x = √(2) * (3 √(2) )/(2) \\ \\ x = (3(2))/(2) \\ \\ \\ x = 3`