Respuesta :

Answer:

20 degrees

Step-by-step explanation:

well, if each side is equal and there are three sides that together add up to 60, you would divide 60 by 3 to get 20 degrees.

Wallameg000

Answer:

20mm

Step-by-step explanation:

An equilateral triangle has all equal sides. So the length of the sides is equal to P/3, where P equals the perimeter. Since in this question, the perimeter is 60, X would be equal to 60/3. Therefore, X=20mm, because 60/3=20.