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kmchippps
22.02.2021 •
Mathematics
A ladder needs to reach a second-story window that is 15 feet above the ground and make an angle with the ground of 71°. How far out from the building does the base of the ladder need to be positioned? Round your answer to the nearest tenth. The base of the ladder needs to be feet away from the wall.
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Ответ:
5.2 feet
Step-by-step explanation:
It helps if you can make a drawing.
You are looking for the adjacent side of the 71° angle in a right triangle and 15 is the opposite side of the angle.
Let x = the distance from the building to the base of the ladder
Tan 71 = 15/x
xtan71 = 15
x = 15/tan 71 = 5.2 feet
Ответ:
12+6
dx+4
fx/5
you see this app is nonsense
you're given marks for every answer
whether correct or not.
I've been given marks for this tooo