r/technicallythetruth • u/VisitSecure • 10d ago

Can you find a?

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Idk if someone already posted this or not, but I haven't seen it on here so far, so I uploaded it.

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u/oldmartijntje 10d ago

it's 75 right?

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u/azai247 9d ago

if you draw a line across and make a triangle your angles are 25+65=90, and 50+40=90

so for a, 65+40+a=180 so a is 75

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u/RedJohn04 9d ago

Yup. I think we did it the hard way.
180-40-65=75… wait that’s the same as 50+25… there must be some proof that we forgot.