Question

a triangle has side lengths of 18 millimeters, 12 millimeters, and 13 millimeters. is this triangle scalene? yes no submit

Explanation:

A scalene triangle is defined as a triangle where all three side lengths are different. In this case, the side lengths are 18 mm, 12 mm, and 13 mm. Since 18 ≠ 12 ≠ 13, all sides are of unequal length.

Answer:

yes