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  • 07-07-2017
  • Mathematics
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mreijepatmat
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  • 07-07-2017
Diagonals in a rhombus are perpendicular, then this parallelogram becomes a rhombus if the intersection of the diagonals are perpendicular:

∠ (BEA) = (3x-12)°; (3x-12)° = 90°
3x = 90 +12
3x = 102
and x = 34
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