Show angle or arc measure

When I have a figure, in this case a circle with an central angle, how do I get the angle and/or arc measure to show on the drawing?

I want students to be able to drag points around and see the central angle measure and arc measure so that they can compare them and see that the measure of the central angle equals the measure of the arc. But I can’t figure out how to get the actual measurement to show.

Do you have the screen already created? If so, you can display a variable as label. Just create an ordered pair, toggle on the label, then put the variable inside curly braces like this ${A}. Make sure to use the dollar sign.

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Thank you. I will try that.