Which triangle would be impossible to create? A. Right Isosceles
B. Acute Scalene
C. Obtuse Equilateral
D. Right Scalene
Or none of these

Obtuse equilateral, because an obtuse triangle needs one angle that is greater than 90 degrees, but in an equilateral triangle all the angles are 60 degrees because all the sides are equal.

If all sides are equal, then all their non-touching angles are equal.

Hope this helps!

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