Assignment for Math 211 9:00 - 10:30 daily, to be submitted on April 21, 2010.

1. From an airplane 1,525 m above a horizontal ground, a pilot observes two
villages on the ground to the east whose angles of depression are 8 degrees and 38
minutes and 5 degrees 46 minutes. How far apart are the two villages ?

2. A tree casts a shadow of 12 m when the sun’s angle of elevation is 56.5 degrees.
Determine the height of the tree.

3. Determine the missing parts of a triangle whose hypotenuse is 30 cm if the base
angle is 35.75 degrees.

4. Determine the missing parts of a right triangle whose base is 75 cm and base angle
of 26.5 degrees.

5. An observer notes that the angle of elevation of the top of a 6 m high flag pole
on a level ground is 32.25 degrees. How far is he from the base of the flag pole?