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07-07-2017
Mathematics

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mreijepatmat mreijepatmat

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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