perplexus.info :: Geometry : Two parallelograms

Two parallelograms (Posted on 2017-08-01)

Point E lies on segment AB, and point C lies on segment FG.
The area of parallelogram ABCD is 20 square units.
What’s the area of parallelogram EFGD?

Source: Alfred S. Posamentier, Math Wonders to Inspire Teachers and Students, 2003.)

No Solution Yet Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

The way a Mathlete "solves" it

| Comment 1 of 4

I have not really "solved" it, but if there is a single answer it must be 20.

Let point E = A, F = B, G = C. Then the two parallelograms are exactly the same.

Posted by Steve Herman on 2017-08-01 10:06:56

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