piperemiller
piperemiller piperemiller
  • 24-03-2017
  • Mathematics
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what is the measure of the greatest angle of a triangle if the side lengths are 21m, 23m, and 25m

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MissAi
MissAi MissAi
  • 25-03-2017
cosA=(21^2+23^2-25^2)/2*21*23
cosA=345/966
A=cos^-1(345/966)
A=69.08
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