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The base angles of an isosceles triangle are congruent. The vertex angle of an isosceles triangle is not necessarily congruent to the base angles.
The base angles of an isosceles triangle are congruent.
It will be either isosceles or equilateral. It is equilateral if all of the angles are congruent.
No, An equilateral triangle has 3 congruent angles, an isosceles triangle has 2 congruent angles, a scalene triangle has no congruent angles.
Isosceles triangle.