Respuesta :
The angle formed at J and the angle of elevation at L are alternate angles, such that the angle of elevation is 53°
Which method can be used to find the angle of elevation?
The given parameters are;
Triangle ∆JKL is a right triangle
The slope of the line LJ = Positive
The angle formed by the horizontal line at J = 53°
Required;
The angle of elevation from point L to point J
Solution;
The angle of elevation at L is formed by an horizontal line drawn at L.
The two horizontal lines are parallel, and the angle of elevation at L is the alternate angle to the angle formed by the horizontal line at J.
Given that alternate angles formed between parallel lines having a common transversal are equal, we have;
- The measure of the angle of elevation at L is the same as the angle formed at J which is 53°
Learn more about angles formed by parallel lines that have a common transversal here:
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Answer:
C. 53 degrees
Step-by-step explanation:
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