See complete Problem 171 at:

www.gogeometry.com/problem/p171_trapezoid_triangle_area_midpoint.htm

Trapezoid, Midpoints, Triangles, Areas. Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.

## Friday, September 5, 2008

### Elearn Geometry Problem 171

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by Proposed Problem 170,

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