angelliu11
angelliu11 angelliu11
  • 07-08-2017
  • Mathematics
contestada

In rectangle ABCD, AC = x + 10 and diagonal BD = 2x - 30. Find the value of x.

Respuesta :

nickster462 nickster462
  • 07-08-2017
 set the equations equal to each other, diagonals are equal so. 2x - 30 = x + 10 . so x = 40
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