In Circle A, AB=12 and measure of angle BAC= 60. Find the lenght of Arc BC
I'd need to see the figure to know what's what.
To find the length of arc BC in Circle A, we need to know the radius of the circle. Unfortunately, the given information does not include the radius of the circle.
To calculate the length of an arc, we need two important pieces of information: the angle (in degrees or radians) subtended by the arc at the center of the circle and the radius of the circle. However, in this case, we only have the measure of angle BAC, which is an angle formed by two radii of the circle.
Without the radius or another angle or length that can help us find the radius, it is not possible to calculate the length of arc BC.