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Mathematics 8 Online
OpenStudy (anonymous):

help!?!?

OpenStudy (anonymous):

OpenStudy (kropot72):

Angle BAC = 180 - 130 = 50 degrees So we now know two of the angles of the triangle. Do you know what the three angles of any triangle add up to?

OpenStudy (anonymous):

180?

OpenStudy (kropot72):

Yes, the sum of the interior angles of any triangle is 180 degrees. Therefore angle ABC = 180 - 20 - 50 = ? degrees

OpenStudy (anonymous):

110?

OpenStudy (kropot72):

Yes, angle ABC is 110 degrees.

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