make 120° when they are coplanar.
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It is an equilateral triangle which in fact has three 60 degree angles
An equilateral triangle has two 60 degree angles which must make its third angle also 60 degrees
It is an equilateral triangle
Isosceles.Improved Answer:If it has two 60 degree angles then the third angle must be 60 degrees because there are 180 degrees in a triangle.So it will be an equilateral triangle.
It is an equilateral triangle because its 3rd angle has to be 60 degrees