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Home > GC > Chapter 12 > Lesson 12.1.2 > Problem 12-18

  1. Use the relationships in each diagram below to solve for the given variables.

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The secant-tangent angle is half the difference between the major and minor arcs.

The total measure of all the arcs in a circle is 360°.

The area of a circle is πr2.

Refer to Lesson 11.2.3 for help with the relationships.