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Mathematics 15 Online
OpenStudy (anonymous):

Three copies of a triangle were rotated and positioned as shown. Which statement about the figure is always true?

OpenStudy (anonymous):

OpenStudy (anonymous):

@AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

by thiangle sum theorem angle 1+2+3=180

OpenStudy (anonymous):

thxs

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