Respuesta :

Answer:

 To find the reference angle measuring x for angle in Quadrant II the formula is:

                  180° - x = 180° - 150° = 30°

             Answer: the reference angle is 30°

The expression we can use to determine the reference angle for an angle, x, measuring 150°  is   180°-X=150°

                               ⇒    X=180°-150°

What is the angle?

  • In geometry, a figure which is formed by two rays or lines that shares a common endpoint is called an angle.
  • angles mean “corner”.
  • The two rays are called the sides of an angle, and the common endpoint is called the vertex.
  • An angle is formed when two straight lines or rays meet at a common endpoint.

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