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Mathematics 13 Online
OpenStudy (anonymous):

The figure below shows a parallelogram ABCD with perpendicular diagonals AC and BD. The figure shows parallelogram ABCD with diagonals AC and BD. If it is given that angle DAB is 80°, which statement is sufficient to guarantee that the parallelogram is a rhombus with all sides equal?

OpenStudy (anonymous):

Angle CAB is 40° and angle DBA is 50°. Angle DBA is 40°. Angle CAB is 50° and angle DBA is 60°. Angle CAB is 60°.

OpenStudy (anonymous):

please help @jim_thompson5910

OpenStudy (anonymous):

help @Hero

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

@hero

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