bookerkateria bookerkateria
  • 11-10-2016
  • Mathematics
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the measure of right angle is 90°

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Аноним Аноним
  • 11-10-2016
Correct!!! <333 :)))
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matthew1738
matthew1738 matthew1738
  • 11-10-2016
yea an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.
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