A board is leaning against a vertical wall.
![A board is leaning against a vertical wall class=](https://us-static.z-dn.net/files/d5f/de35947b56244f0a4f166fcbb0394685.png)
![A board is leaning against a vertical wall class=](https://us-static.z-dn.net/files/d1b/5611fda423bf3bcb72d64092e5a5814a.png)
Answer:
C) 68 in
Step-by-step explanation:
We use sine ratio
= 68 inches
Thank you.