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Murrr4er [49]
3 years ago
10

Please help fast. I will give brainliest! ​

Mathematics
1 answer:
Andrews [41]3 years ago
6 0

Answer:

32.6ft

Step-by-step explanation:

θ = 25°

\theta=arccos(\frac{100}{\sqrt{h^2+28h+10196}})\\\\\\\\frac{100}{\sqrt{h^2+28h+10196}}=\cos{\theta}\\\\h^2+28h+10196=(\frac{100}{\cos{25}})^2 = 12174\\\\h^2+28h - 1978=0\\\\h = 32.6

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