Question

a triangle has side lengths of 13 inches, 14 inches, and 19 inches. what kind of triangle is it?
equilateral
isosceles but not equilateral
scalene
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Explanation:

Step1: Recall triangle types

Equilateral: all sides equal. Isosceles: at least two sides equal. Scalene: all sides different.

Step2: Compare side lengths

Given sides: 13, 14, 19. All are distinct.

Answer:

scalene (the option labeled "scalene")