imterribleatmath99 imterribleatmath99
  • 01-05-2017
  • Mathematics
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help will mark brainliest............

help will mark brainliest class=

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Аноним Аноним
  • 01-05-2017
The answer is 90, Because angle D is a 90 degree angle, and 180- 90=90, so the answer is 90.
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