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Anuta_ua [19.1K]
3 years ago
7

A ladder is leaning against a

Mathematics
1 answer:
vlada-n [284]3 years ago
4 0

Answer:

The angle of elevation is 36.87 degrees

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle ABC of the figure

cos(\theta)=\frac{AC}{BC} ----> by CAH (adjacent side divided by the hypotenuse)

substitute the given values

cos(\theta)=\frac{12}{15}

\theta=cos^{-1}(\frac{12}{15})=36.87^o

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