See complete Problem 235 at:

gogeometry.com/problem/p235_parallelogram_transversal_perpendicular_lines.htm

Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

## Tuesday, January 27, 2009

### Elearn Geometry Problem 235: Parallelogram, Transversal line, Perpendicular lines

Labels:
congruence,
distance,
parallelogram,
perpendicular,
transversal,
trapezoid

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draw AB" // A'C', B" is point BB' meet it

ReplyDeletedraw DD" // A'C', D" is point DD' meet it

tr ABB" and DCD" are similar ( equal ang between side and perpend)

b+a / AB = c+d / CD

or b+a = c+d