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34 votes
34 votes
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?​

User Menachem
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1 Answer

25 votes
25 votes

Answer:

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

User Jellen Vermeir
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2.9k points