I don't get it

its 24 degrees nitwit

dude the other part is 180 - 61.

Meant 37 not 31

you need 61° to find the other part of the angle, then you do that shit, 180-61°=119
119+37=156
180-56=24

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Okay so you know that a triangles sides should ALWAYS add up to 180, meaning the other side will be added up to 180 as well with the counterparts of the triangle
>180-61=119

I haven't done geometry in a fucking long time so im a bit rusty

introduce a second variable alpa and write out the sum of the angles for the two triangles who both share x
you'll get a system of two equations with two unknowns

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This is how I would do it:

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Thank you Jow Forums! I'm big brain now.
^_^

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Just realized that y does not = 90 deg...

Yes you are. And as you know, with big brain comes big responsibility.

No, you have no brain obviously. Go to hospital right now.

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Don't be mean soros

says the English teacher

I never learned how to calculate angles and I turned out fine

Aww come on Japan, don't be like that.

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Yeah, you turned out to be a dumb neet

Circle theorems and that nigga, how old are you?

Never mind. Wasn't sure if the two inner triangles were similar but pic related makes it pretty clear.
If you know that then the problem is trivial.

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Learning a language is more useful than learning how to calculate the diameter of your butthole

Then you can learn how to say "I'm an idiot" in several languages

I think you were supposed to do the vertical angles first, Idk if you know that they're similar otherwise