Question
A boat is spotted in the water with an angle of depression of 25° from the top of a lighthouse that is 89 feet tall. To the nearest foot, how far away is the boat from the base of the lighthouse
Answers
Reiny
Did you make a sketch?
Looks like
tan 25º = 89/x
x = 89/tan25
= 191
Looks like
tan 25º = 89/x
x = 89/tan25
= 191