Arthur D. answered • 04/25/17

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draw a right triangle

one side is the height the nest is above the ground-call it n

the other side is 15 feet

the hypotenuse is the line of sight at 62 degrees

tan=opposite/adjacent

tan62º=n/15

(15)(tan62º)=n

n=(15)(1.880726465)

n=28.21089698

n=28 feet above the ground