Question

Help?

If tan A = 2, what is the value of x?
http://i.imgur.com/nPuRph6.gif

A. 3.5

B. 5.5

C. 14.0

D. 28.0

Answer 1

Well,

We know from SOH-CAH-TOA

That \(\large Tangent = \frac{opposite}{adjacent}\)

So from your drawing



We know that

\[\large tan(A) = \frac{x}{7}\]

So if THAT equals 2...we just solve for x

\[\large \frac{x}{7} = 2\]

Answer 2

Thank you :3

Answer 3

Not a problem :)