Two watch towers at a historic fort are located 375 m apart. The first tower is 14 m tall, and
the second tower is 30 m tall.
a) What is the angle of depression from the
top of the second tower to the top of the
first tower?
b) The guards in the towers simultaneously
spot a suspicious car parked between the
towers. The angle of depression from the
lower tower to the car is 7.7. The angle of
depression from the higher tower is 6.3.
Which guard is closer to the car? Explain
how you know.