7.71 feet is your answer.
Answer:
7.8(tan 67)
Step-by-step explanation:
7.8(tan 67)
= 18.4 (2 decimal place)
Simple...
you have:

To make this into an improper fraction-->>
1.) Multiply whole number by denominator
2.)Add the number you got plus the numerator
3.) Use the original denominator to finish your improper fraction
Example:

4*9=36
36+4=40

Thus, your answer.