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# Trigonometry problem help?

Can someone help me in this problem? I dont get the problem pls explain it really well. Thanks in advance :3

Update:

r and m are equal

### 1 Answer

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- JudithLv 48 years agoFavorite Answer
Thanks, now it makes sense.

tan (m) * x = 10

tan (2m) * x = 25

x= 10 / (tan(m))

x=15 / (tan(2m))

10 * tan(2m) = 15 * tan(m)

2 * tan(2m) = 3 * tan(m)

For some reason this does not work so I found a different solution:

http://s1357.beta.photobucket.com/user/Judith_Lais...

That is your picture with some editing.On the top left you now have an rectangular triangle where you can find the green angle:

10/15 = sin (green angle)

therefore the green angle = 41,81°

if you look at the big triangle, you see:

2m= 90 - green angle

m=24,1

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