innocous wrote:
Is quadrilateral ABCD a parallelogram ?
1) Two sides measure 8 cm in length while the other two sides measure 6 cm in length.
2) AC is perpendicular to BD.
Statement1:
Statement2:
Statements 1 and 2 together:
This is where it gets really interesting. We know the diagonals are perpendicular, and the four sides are 8, 8, 6, and 6.
There are only two possible ways to arrange the sides. Either
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