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2437.2. Parallelogram, elements. Properties and signs.

Check the correct answer!

The quad ABCD is given. It's diagonals cross in a point O. Does the information given in the example indicate, that ABCD is a parallelogram?
AO = OB un OC = DO
Grade:
8
Subject
Geometry
Theme
Parallelogram.
Subtheme
Parallelogram, elements. Properties and signs.

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