Question

Which triangle always has at least two congruent sides? obtuse equiangular right acute scalene isosceles

Answer 1

Equilateral triangle.

Answer 2

"An equilateral triangle is defined as having three equal sides. A triangle's angles added up is equal to 180 degrees. Given that every side of the triangle is equal, this means that all angles are also equal, making each angle 180/3=60 degrees."

Answer 3

thanks a lot