Question

classify this triangle by its sides. equilateral isosceles but not equilateral scalene

Explanation:

Step1: Recall triangle side - classification definitions

An equilateral triangle has all three sides equal. An isosceles triangle has at least two sides equal. A scalene triangle has all three sides of different lengths.

Step2: Analyze the given triangle

From the visual (equal - marked angles imply equal - opposite sides in a triangle), we can see that two sides are equal. Since it is not stated or indicated that all three sides are equal.

Answer:

isosceles but not equilateral