What is the angle of elevation to a building 1300m away that is 250m high? •79.1°
•78.9°
•11.1°
•10.9°

∅ = 10.9º

Step-by-step explanation:

∅ = arctan250/1300

use calculator

∅ = 10.9º

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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