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March 5, 2015

March 5, 2015

Posted by **Ella** on Wednesday, April 21, 2010 at 7:47pm.

then, (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the length of the shorter diagonal.

- Geometry help -
**PsyDAG**, Thursday, April 22, 2010 at 12:33pmFrom your description, you are not dealing with a parallelogram but rather a trapezoid. In a parallelogram, the top is parallel to the bottom, and the two sides are also parallel.

By "d2" do you mean "d squared"? (Online, d^2 = d squared.) Is there supposed to be an equal sign anywhere in your "Continuation"?

Repost your questions in clearer terms.

- Geometry help -
**luke**, Wednesday, April 28, 2010 at 12:50pmWhat is the perimeter of a triangle whose sides measure 15cm, 17cm, and 10cm?

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