heya everyone

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have been puzzling at this for over an hour now :/ tried using simutaneous equations

- pithag..

- pithag

- height/length ratios

- height/length ratios...

where a and b is D split up into the smaller triangles...

but solving these seems very tedious..anyone that can help?

thanks in advance.

oh btw the problem is solve X Y and D

ps. the 8 is the length of the blue line. sorry its a bit sketchy

edit2: math wrapped it lol.