Laila2578
Laila2578
11-04-2014
Mathematics
contestada
Are all equilateral triangle acute triangles?
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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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