Question

What is the measure of arc BC?

Answer 1

Answer:

32.5

Step-by-step explanation:

The measure of an arc of a circle is half the measure of the angle that is created when two chords from the endpoints of the arc intersect on the circumference of the circle, so 65/2 = 32.5.

Answer 2

Arc BC = 130 degrees.

From the given image we have the measure of the inscribed angle is 65 degree.

We know that central angle is twice of the inscribed angle.

So the central angle = 2(65) = 130 degrees.

Arc BC = central angle = 130 degrees.

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