Asked by Rose
From the top of an 8m house the angle of elevation to the top of the schools flagpole across the street is 9 degrees
The angle of depression is 42degrees to the bottom of the pole
How tall is the flagpole
The angle of depression is 42degrees to the bottom of the pole
How tall is the flagpole
Answers
Answered by
Steve
as always, draw a diagram.
The distance d between the house and pole is
d = 8cot42°
Now you can see that the height of the pole is
8 + d tan9°
The distance d between the house and pole is
d = 8cot42°
Now you can see that the height of the pole is
8 + d tan9°
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