katiemayfield4226 katiemayfield4226
  • 24-04-2017
  • Mathematics
contestada

a triangle has side lengths of 34in., 20in., and 47in. is the triangle acute, obtuse, or right?

Respuesta :

kenzo201
kenzo201 kenzo201
  • 24-04-2017
To find its angle measure, plug the sides into the Pythagorean theorem. 20^2 + 34^2 ? 47^2 

As you can see, 1556 < 2209. Therefore, it is an obtuse triangle.
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