Answer:
The equation that could be used to find the angle of elevation is;

Step-by-step explanation:
Given that the dog sits 5 ft away from its owner's 50 ft tall house.
it can be represented with the drawing below;
Using Trigonometry;
Recall that;

From the diagram;
opposite = 50 ft
adjacent = 5 ft
so, we have;

Therefore, the equation that could be used to find the angle of elevation is;
