Answer:
The answer is D
Step-by-step explanation:
Step-by-step explanation:

9 yards would be a good estimate for the distance across the pond.
From given picture we see that there is an altidude drawn from vertex W to the side KS.
We usually find altitudes of the triangle so that they meet at some point. That common point is known as orthocenter.
Hence choice A. Orthocenter is the correct answer.