Given o below, is a minor arc, a major arc, or a semicircle?

The shorter arc joining two points on the circumference of a circle is known as the minor arc.The larger arc is called the Major Arc. A semicircle is a half circle, formed by cutting a whole circle along a diameter line .

In the given circle with center O <AOB = 120 degrees .

Arc AB the one drawn with blue is the smaller arc.

Option A that is AB is the minor arc is the right answer.

The arc AB as shown in the diagram is a minor arc.

A circle is divided into minor and major arcs.

The shorter arc joining two points on the circumference of a circle is known as the minor arc.

Arc AB the one drawn with blue is the smaller arc.

Learn more on arcs here: link

47 - 90 = 43

43 - 180 = x

x = 137