Quadrilateral Problem #1

quad

The orange parallelogram is constructed using the midpoints of the black quadrilateral.
If the area of the parallelogram is 64cm2, find the lengths a and b.

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6 thoughts on “Quadrilateral Problem #1

  1. Enjoyed the puzzle. If I’ve calculated correctly, a should be 16 sq root 2, and b should be 4 sq root 26. (Sorry, don’t know how to make notation on this comment board)

  2. Pingback: Next meeting: Tuesday, 17 February | Portsmouth MathsJam

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