Answer:
29/20
Step-by-step explanation:

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So, we have the following equation...

Remember
and
is the following...

Therefore, 
So, your final answer is
.
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<em>Glad to help!</em>

Answer:
5.3
Step-by-step explanation:
Cos(68) = adjacent/hypotenuse
Cos(68) = 2/AC
AC = 2/cos(68)
AC = 5.3389343253
AC = 5.3