Question

What is the angle of elevation for 9 foot ladder leaning against a wall if the ladder is placed 2 feet away from the base of the wall?​

Answer 1

77°

Explanation:

basically, this trigonometry problem deals with having a right triangle and knowing the value of the adjacent side and the hypotenuse

so you need to find cos⁻¹(2/9) which equals 77 degrees