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Firlakuza [10]
3 years ago
14

I will give brainliest thanks

Mathematics
1 answer:
vampirchik [111]3 years ago
6 0

Answer: Correct answer is 1st option , 12.3


Step-by-step explanation:


We can find the value of x by calculating the tangent of the angle 39.


We know, that tangent of an angle in a triangle = Perpendicular/Base, corresponding to that angle.


So, tan 39 = 10/x


Again, we know that tan 39 = .81


So, .81 = 10/ x

or, x = 10/.81

or, x = 12.34


So value of x to the nearest tenth = 12.3


Hope thsi helps


Thank you


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