jared1771 jared1771
  • 08-09-2017
  • Mathematics
contestada

The area of rhombus ABCD is 72 square units. EC = 8 units and DB = x – 1.

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briancool78
briancool78 briancool78
  • 08-09-2017
the answer is 10
10-1=9
9*8=72
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