Question

select the best classification for the triangle by its sides. isosceles equilateral right scalene

Explanation:

Step1: Recall triangle - side classification rules

An isosceles triangle has two equal sides. An equilateral triangle has three equal sides. A right - triangle is classified by angles, not sides. A scalene triangle has no equal sides.

Step2: Analyze the given triangle

The given triangle has two sides marked as equal.

Answer:

Isosceles