Question

An angle subtended by a minor arc of a circle at the centre is

Answer 1

Angle at the Circumference. If the end points of an arc are joined to a third point on the circumference of a circle, then an angle is formed. For example, the minor arc AB subtends an angle of 45º at C. The angle ACB is said to be the angle subtended by the minor arcAB (or simply arc AB) at C.