Answer:
2. Equilateral
Explanation:
Step 1: Process Of Elimination-
1. Right: No
This triangle is not a right triangle because it does not have a right triangle indicator nor does it equal 90°.
2. Equilateral: Yes
This triangle is an equilateral triangle because all 3 sides are equal and they add up to 180° meaning each side equal 60°.
3. Acute: No
A acute triangle is a triangle that is less then 90° but this triangle equals 180°.
4. Scalene: No
A scalene triangle is a triangle that has different side angles but they all add up to 180° but here we can see that the sides are equal.