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Mathematics 8 Online
OpenStudy (anonymous):

An exterior angle of a triangle equals the sum of the interior angles. True False

OpenStudy (jdoe0001):

check for yourself -> http://www.mathsisfun.com/geometry/triangles-interactive.html <-- move the vertex about, see if that's so

OpenStudy (anonymous):

thx

OpenStudy (jdoe0001):

yw

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