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Mathematics 12 Online
OpenStudy (anonymous):

I already got my answer but I don't want anyone to cheat so I took it away.

OpenStudy (lucaz):

you're right, all angles should be less than 90 degrees

OpenStudy (lucaz):

the sum of the interior angles of any triangle is always 180° sou you have 50+50+x=180, solving of x you get x=180-100=80

OpenStudy (anonymous):

OH.... 0_0 So.... 50 + 50 = 100 - 180 = 80 <---- The answer?

OpenStudy (anonymous):

@lucaz

OpenStudy (lucaz):

180-100, yeah, 80°

OpenStudy (anonymous):

Yay! :)

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