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Mathematics 18 Online
OpenStudy (anonymous):

Can someone check this please!!! Fan+Medal!!

OpenStudy (across):

Sure.

OpenStudy (anonymous):

OpenStudy (anonymous):

@across

OpenStudy (across):

46

OpenStudy (anonymous):

how come?

OpenStudy (anonymous):

@across

OpenStudy (across):

The sum of the internal angles of a triangle adds up to 180.

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