Answer:
a.) 36.87 degrees
b.) 100000 feet
Explanation:
First, we solve for the direct distance from destination, which is the slope of the triangle. We can use the formula a^2 + b^2 = c^2 for this. Then, by using the trig functions, we can determine the angle of depression by using the inverse of sine of 3/5. This leads to 36.87 degrees.