**The Return of the Parallelogram II**

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Annie Fetter | |

Geometry, difficulty level 3. Draw a parallelogram ABCD with AB=10. Draw EF with E between A and B and F between C and D such that EF divides the area of ABCD in half. If EF=4, what is the area of the parallelogram? | |

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Problem #1047 |

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