IM Geometry: Unit 7 - Circles

In this unit, students analyze relationships between segments and angles in circles, which leads to the construction of inscribed and circumscribed circles of triangles. To learn more about how to use GeoGebra’s fully digital and interactive curriculum, visit our IM 9–12 Math page.
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7.1 Lines, Angles, and Curves 7.2 Inscribed Angles 7.3 Tangent Lines 7.4 Quadrilaterals in Circles 7.5 Triangles in Circles 7.6 A Special Point 7.7 Circles in Triangles 7.8 Arcs and Sectors 7.9 Part to Whole 7.10 Angles, Arcs, and Radii 7.11 A New Way to Measure Angles 7.12 Radian Sense 7.13 Using Radians 7.14 Putting It All Together