Posted by **sally** on Sunday, February 13, 2011 at 10:12pm.

Trapezoid ABCD has height 4, BC=5, and AD and BC are perpendicular. Find the area of the trapezoid.

- geometry -
**Reiny**, Sunday, February 13, 2011 at 10:28pm
You are not using the conventional way to describe a polygon, which is, to list the vertices in either clockwise or counterclockwise order.

if AD is perpendicular to BC, one of the letters would have to be common to both segments.

I cannot visualize your figure.

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