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vampirchik [111]
3 years ago
13

From the top of a building, 40 feet above the ground, a construction worker locates a rock at a 12° angle of depression. How far

is the rock from the building? ​
Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
6 0

Answer:

188 m

Step-by-step explanation:

\tan(12)  =  \frac{40}{x}  \\ x =  \frac{40}{ \tan(12) }  \\ x = 188

UNO [17]3 years ago
5 0

Answer:

I think that the other answer is WRONG

tan(12) = \frac{x}{40}

x = tan(12)*40 = 8.5

Step-by-step explanation:

\frac{sin\left(78\right)}{40}=\frac{sin\left(12\right)}{x} = 8.5

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Step-by-step explanation:

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