sriggins917
05.05.2020 •
Mathematics
A ladder leans against a building forming an angle of 50° with the ground. The base of the ladder is 8 feet from the building. What is the length of the ladder?
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Ответ:
The correct answer is 12.446 feet.
Step-by-step explanation:
A ladder leans against a building forming an angle of 50° with the ground.
The base of the given ladder is 8 feet away from the building.
Let the length of the ladder that is to be found be x feet.
Thus we find the cosine of the angle of inclination.
∴ cos 50° =
⇒ x = 12.446 feet
Therefore the length of the ladder is 12.446 feet.
Ответ:
the answer is - 5.2 okay