trig Elev. & Depress part ii

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You are 55ft from a tree. The angle of elevation from your eyes, which are 4.5 ft off the ground,to the top of the tree is 61 degrees. To the nearest foot, how tall is the tree?

  • trig Elev. & Depress part ii -

    as usual, draw a diagram. If the tree has height h,

    (h-4.5)/55 = tan61°

  • trig Elev. & Depress part ii -

    Approximately 104 feet.

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