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Mathematics 23 Online
OpenStudy (anonymous):

Need a Geometry expert for #16.

OpenStudy (anonymous):

#16

Directrix (directrix):

You need this theorem: If three or more parallel lines intersect two transversals, then they cut off the transversals proportionally. http://hotmath.com/hotmath_help/topics/parallel-lines-and-transversals.html

Directrix (directrix):

Do you want to do only number 16?

OpenStudy (anonymous):

yes, only 16. ty

Directrix (directrix):

BG/ED = AB/AD because corresponding sides of similar triangles are in proportion. |dw:1425959379361:dw|

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