Notice the picture below
so.... the angle of depression, is above in dashed lines.... however, the angle of depression, is identical to the angle of elevation from the water, since, both angles are "alternate interior" angles
now, using the 45-45-90 rule, then we know the swimmer is 90 feet from the lighthouse, then just use the tangent ratio to get "x"
Answer:
divide the cost of the dog food by three and thats ur answer
Step-by-step explanation:
Answer: 
Step-by-step explanation:



Answer:
B
Step-by-step explanation: