Answer:Step-by-step explanation:I still suspect that Angle A is 30° and Angle B is 60°. Otherwise the labels do not fit the illustration.If Angle A is 60°, as you insist, then the solution (the length of x) is as follows: opp side xtan 60° = √3 = ---------------- = ----- adj side 7Then: √3 x----------- = ----- 1 7Thru cross-multiplication we see that x = 7√3Multiply both sides by 7, which produces:7√3 = x