Question

a triangle has side lengths of 17 centimeters, 19 centimeters, and 10 centimeters. what kind of triangle is it?
equilateral
isosceles but not equilateral
scalene

Explanation:

Step1: Recall triangle types

Equilateral: all 3 sides equal. Isosceles: at least 2 sides equal. Scalene: all sides different.

Step2: Compare side lengths

Given sides: 17 cm, 19 cm, 10 cm. All lengths are distinct (17 ≠ 19, 17 ≠ 10, 19 ≠ 10).

Answer:

scalene (the option "scalene")