# Angles Inside Circle

You can take relevant measurements by clicking on the check boxes. See if there is a way to use operations (add, subtract, multiply, divide) to relate the measurements in the diagram. The way in which you use these operations will become a formula that we will use on circles. Once you think you have a formula that works. There are other circle diagrams on the page for which you can test your formula. You are allowed to look at these diagrams while you are trying to construct a formula.

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