Respuesta :

sqdancefan

Answer:

  • x = 20°
  • y = 15°
  • z = 12°

Step-by-step explanation:

The measure of each angle in an equilateral triangle is 60°. Divide that value by the coefficient of the variable in the equation:

  3x = 60°   ⇒   x = 20°

  4y = 60°   ⇒   y = 15°

  5z = 60°   ⇒   z = 12°