Question

a triangle has side lengths of 9 meters, 10 meters, and 5 meters. is this triangle scalene? yes no

Explanation:

Step1: Recall scalene triangle definition

A scalene triangle has all three sides of different lengths.

Step2: Compare the side lengths

The side lengths are 9 m, 10 m, and 5 m. Check if any two are equal: 9 ≠ 10, 9 ≠ 5, 10 ≠ 5. All sides are distinct.

Answer:

yes