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Mathematics 8 Online
OpenStudy (anonymous):

LIL HELP PLZZ MEDAL AND FAN

OpenStudy (anonymous):

Directrix (directrix):

An exterior angle of a triangle has its vertex coincident with a vertex of an interior angle of the triangle and is formed by a "natural" side of the triangle and an extended side of the triangle. There are two exterior angles at each vertex.

Directrix (directrix):

Angles 1,2, and 3 are exterior angles and so are ... |dw:1420261432795:dw|

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