shadannamazifard22 shadannamazifard22
  • 13-04-2019
  • Mathematics
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30 POINTS AND I WILL AWARD BRAINLIEST!!!!

30 POINTS AND I WILL AWARD BRAINLIEST class=

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khaif
khaif khaif
  • 13-04-2019

opposite angles of a qualirateral are supplementary.

180-90=90°

angle in straight line add upto 180

180-90=90

answer=90°

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