Respuesta :

Hrishii

Answer:

b) 12

Step-by-step explanation:

  • Given is an equilateral triangle.

  • Measure of each angle of an equilateral triangle is 60°.

  • -> 5y° = 60°

  • -> y° = 60°/5

  • -> y° = 12°

  • -> y = 12

Otras preguntas