i need an explanation as to why the other three are wrong aswell

Answer:
D. An equilateral triangle.
Step-by-step explanation:
[tex].[/tex]
• For isosceles triangle » only two sides are equal.
• For scalene triangle » no line is equal to each other
• For right angled triangles » atmost two lines are equal
Answer:
D. Equilateral triangle
Step-by-step explanation:
Coz its all sides are equal and suppose if its length is 2 cm , then all sides will be 2 cm only so its equal