Question

Find x. Use a simplified radical or round to the nearest tenth.

Pleas helpppp

Answer 1

`x = 7 √(2)`

Explanation:

`sinθ = (opp)/(hyp)`

`sin45° = (7)/(x)`

`( √(2) )/(2) = (7)/(x)`

Cross multiply:

`( √(2) )(x) = 7(2)`

`x = (14)/( √(2) ) * ( √(2) )/( √(2) )`

`x = (14 √(2) )/(2)`

`x = 7 √(2)`