haniya3 haniya3
  • 20-07-2018
  • Mathematics
contestada

the vertices of a triangle are a(3,root3), b(3,-root3) and c(0,0).find its perimeter.

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Аноним Аноним
  • 20-07-2018

We need to find the lengths of ab, bc and ca then add them up.


ab = sqrt ( -root3 ^2 + 3^2) = sqrt 12

bc = sqrt ( 3^2 -0^2 + (-root3)^2- 0^2) = sqrt 12

ca = sqrt ( 3^2 + root3^2) = sqrt 12


So the Perimeter = 3 sqrt 12 = 3 * 2 * sqrt3 = 6 sqrt3 ANSWER



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