Answer:
Scalene
Explanation:
Note the definition of each triangle:
Equilateral: For a triangle to be an Equilateral, all sides must have the same measurements.
Isosceles: For a triangle to be an Isosceles, the two leg sides must be congruent. The base can vary, but cannot equal the leg sides.
Scalene: For a triangle to be an Scalene, none of the sides can be congruent.
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