Need help as soon as possible, tysm!
How about tan20 = 9/x will that help?
Note that we know the side opposite the 20° angle
And we're looking for the adjacent side, x
The trig function that relates the opposite and adjacent is the tangent
tangent (angle measure) = opp / adj
tangent (20° ) = 9 / x .....multiply both sides by x
x * tan (20) = 9 .....divide both sides by tan (20)
x = 9 / tan (20) = 24.72
I think you can just hit "best answer" under my question......I don't often give myself the "best answer" because I'm never sure if someone else might not explain it better...