What is the measure of an inscribed angle in a circle if the central angle subtended by the same arc measures 80°?

An inscribed angle that intercepts a semicircle is always 90°.

The measure of an inscribed angle is equal to half the measure of the ________ angle subtended by the same arc.

If two inscribed angles intercept the same arc, what is the relationship between the two angles?

In a circle, if the measure of the central angle is 120° and the inscribed angle intercepts the same arc, what is the measure of the inscribed angle?