parislane
parislane parislane
  • 25-03-2017
  • Mathematics
contestada

a quadrilateral has angles that measure 63, 89, and 121. What is the measure of the fourth angle?

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amorrison21
amorrison21 amorrison21
  • 25-03-2017
Uh.. Lemme see. Add up all the angle measures and then subtract them from 360. In this case, the answer is 87.
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Аноним Аноним
  • 25-03-2017
360-all of those is 87 so 87 is the answer
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