Laila2578 Laila2578
  • 11-04-2014
  • Mathematics
contestada

Are all equilateral triangle acute triangles?

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MathG33k
MathG33k MathG33k
  • 11-04-2014
Yes, all equilateral triangles have to be acute because to have equal sides you need equal angles.
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runescapememo8 runescapememo8
  • 11-04-2014
yes sir, in equilateral triangles, all angles and sides have to be congruent
therefore, each angle has to be 60 degrees (180/3)
thus, they're all acute
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