Answer:
63°
Step-by-step explanation:
tan ? = opp/adj
tan ? = 40/20 = 2
? = tan^-1 2 = 63.4°
let x degree be reqd. angle.
tan x=40/20=2
[tex]x=tanx^{-1} (2)\approx 63.44^\circ \approx 63^\circ[/tex]
