kiki777 kiki777
  • 03-03-2016
  • Mathematics
contestada

Karen says every equilateral triangle is acute. Is this true?
Explain

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olemakpadu
olemakpadu olemakpadu
  • 03-03-2016
An equilateral triangle has the three sides equal. So the three angles are equal.

Since sum of angles in a triangle = 180°

For each = 180° / 3 = 60°

And 60° is an acute angle.

So every equilateral triangle is acute in that it contains only acute angles.

So it is True.
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